| 10c on 10c Surcharged in red | 1 | 1972899 |
| 10c on 13c Black surcharge | 1 | 1741840 |
| 10c on 50c Stamp of 1929 Surcharged | 1 | 1972965 |
| 10c on 5c Regular issue surcharged | 1 | 1972967 |
| 15c on 1c, Type I Stamp of 1928 surcharged in dark blue | 1 | 1972963 |
| 15c on 1c, Type II Stamp of 1928 surcharged in dark blue | 1 | 1972973 |
| 1c on 1c Surcharged in red | 1 | 1972897 |
| 1c on 20c (Type I) Stamp of Panama surcharged in black | 1 | 1676557 |
| 1c on 5c POSTAGE DUE missing Regular issue surcharged | 1 | 30155 |
| 1c on 5c Regular issue surcharged | 1 | 1972969 |
| 20c on 2c Stamp of 1928 Surcharged | 1 | 1972966 |
| 25c on 2c Stamp of 1928 surcharged in dark blue | 1 | 1972964 |
| 2c on 1p (Type I) Stamp of Panama surcharged in black | 1 | 1972878 |
| 2c on 2c Surcharged in Carmine Type III Canal Zone Overprint: Letters appear thinner than type I, particularly the lower bar of L, Z and E. Impressions are often light, rough and irregular, and not centered | 1 | 1972854 |
| 2c on 2c Surcharged in red | 1 | 1972898 |
| 2c on 5c Regular issue surcharged | 1 | 1972970 |
| 2nd anniv. of the Alliance for Progress, which aims to stimulate economic growth and raise living standards in Latin America. | 1 | 30221 |
| 4c on 4c Surcharged in Carmine Type III Canal Zone Overprint: Letters appear thinner than type I, particularly the lower bar of L, Z and E. Impressions are often light, rough and irregular, and not centered | 1 | 1972855 |
| 5c on 5c Regular issue surcharged | 1 | 1972971 |
| 8c on 50c Stamp of Panama overprinted CANAL ZONE in regular type in black and surcharged in red (Type I) Both PANAMA (13mm long) reading up | 1 | 1972877 |
| 8c on 50c (Type II) Both PANAMA (13mm long) reading up | 1 | 1972839 |
| 8c on 50c (Type III) Both PANAMA (13mm long) reading up | 1 | 1972840 |
| 8c on 50c (Type IV) - Mi: 13D PANAMA (13mm long) reading up and down Stamp of Panama overprinted CANAL ZONE in regular type in black and surcharged in red | 1 | 1972841 |
| 8c on 50c (Type IV). 8 cts omitted PANAMA (13mm long) reading up and down Stamp of Panama overprinted CANAL ZONE in regular type in black and surcharged in red | 1 | 30096 |
| 8c on 50c, with added surcharge in red (Type I) PANAMA overprint (15mm long) in red | 1 | 1972875 |
| 8c on 50c, with additional surcharge in red PANAMA overprint (15mm long) in red CANAL ZONE inverted | 1 | 30093 |
| Airmail Stamp Overprinted in Black Type I Overprint: PANAMA CANAL 19-20 mm long | 1 | 1972995 |
| Airmail stamp overprinted in black Type I Overprint: PANAMA CANAL 19-20 mm long | 6 | 1972990 1972991 1972992 1972993 1972994 1972859 |
| Black Overprint Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 1972906 |
| Black Overprint Reading Up Type I Overprint: C with serifs both top and bottom. L, Z and E with slanting serifs | 3 | 260432 1676558 1676559 |
| Black Overprint Reading Up Type I Overprint: C with serifs both top and bottom. L, Z and E with slanting serifs | 2 | 1972888 1972843 |
| Black overprint Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 1972907 |
| Black overprint on stamps on Panama | 2 | 1972872 1972873 |
| Black overprint reading down Type II overprint: C with serif at top only. L and E with vertical serifs. O tilts to left | 1 | 30109 |
| Black overprint reading down Type III Overprint: Letters appear thinner than type I, particularly the lower bar of L, Z and E. Impressions are often light, rough and irregular, and not centered | 1 | 30116 |
| Black overprint reading down Type IV Overprint: C thick at bottom, E with center bar same length as top and bottom bars | 1 | 1972905 |
| Black overprint reading up Type II overprint: C with serif at top only. L and E with vertical serifs. O tilts to left | 4 | 1973016 1973017 1973018 1973019 |
| Black overprint reading up Type III Overprint: Letters appear thinner than type I, particularly the lower bar of L, Z and E. Impressions are often light, rough and irregular, and not centered | 3 | 1972900 1972901 1972902 |
| Black overprint reading up Type IV Overprint: C thick at bottom, E with center bar same length as top and bottom bars | 2 | 1972903 1972904 |
| Black overprint reading up Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 1972908 |
| Blue overprint Type II overprint: C with serif at top only. L and E with vertical serifs. O tilts to left | 7 | 1972890 1972891 1972892 1972893 1972850 1972851 1972852 |
| Booklet pane of 4 | 2 | 1973012 1973013 |
| Booklet pane of 6 | 2 | 1972962 30171 |
| Booklet pane of 6 Black overprint reading up Type IV Overprint: C thick at bottom, E with center bar same length as top and bottom bars | 1 | 30119 |
| Booklet pane of 6 Overprinted in black, reading up Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 30125 |
| Booklet pane of 6 U.S. Stamp Overprinted in Black Type II Overprint: Letters A with Sharp Pointed Tops | 2 | 30145 30146 |
| Booklet pane of 6 U.S. Stamps Overprinted Type II Overprint: Letter "A" with Sharp Pointed Top | 1 | 30168 |
| Booklet pane of 6 U.S. stamps overprinted in black Type I overprint: Letters A with Flat Tops | 1 | 30132 |
| Booklet pane of 6 Overprinted in black, reading up Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 1972917 |
| Booklet pane of 6 Type II Overprint: Letters A with Sharp Pointed Tops | 1 | 1972952 |
| Booklet pane of 6 U.S. stamp overprinted in black Type I overprint: Letters A with Flat Tops | 1 | 1972932 |
| Booklet pane of 6, imperforated margins Black overprint reading up Type II overprint: C with serif at top only. L and E with vertical serifs. O tilts to left | 2 | 30108 30113 |
| Booklet pane of 6, imperforated margins Inverted center, black overprint reading down Type II overprint: C with serif at top only. L and E with vertical serifs. O tilts to left | 1 | 30111 |
| Booklet pane of 6, perforated margins Black overprint reading up Type II overprint: C with serif at top only. L and E with vertical serifs. O tilts to left | 1 | 30114 |
| Booklet pane of four | 1 | 30240 |
| Both PANAMA reading up or down | 1 | 1972864 |
| CANAL ZONE double | 1 | 30091 |
| CANAL double Overprinted in black, reading up Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 30127 |
| CANAL inverted Type II Overprint: Letter "A" with Sharp Pointed Top | 1 | 30138 |
| CANAL inverted Type II Overprint: Letters A with Sharp Pointed Tops | 1 | 1972954 |
| CANAL only Type II Overprint: Letters A with Sharp Pointed Tops | 1 | 30141 |
| Coat of arms of the channel and plane in flight | 1 | 1676588 |
| Coil stamp | 4 | 30217 1676554 1676555 1973014 |
| Design size 19 x 22½mm | 2 | 1972861 1972862 |
| Design size 19x22mm | 1 | 30189 |
| Double overprint Black overprint reading up Type III Overprint: Letters appear thinner than type I, particularly the lower bar of L, Z and E. Impressions are often light, rough and irregular, and not centered | 1 | 30117 |
| Double overprint Black overprint reading up Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 30121 |
| Double overprint, one inverted | 1 | 30101 |
| E of POSTAGE omitted U.S. Stamp overprinted Type I (Letters A with Flat Tops) and additional overprint in red | 1 | 30134 |
| Giori Press Printing | 3 | 1973009 1973010 1973011 |
| Girl Scout badge and camp on Lake Gatun | 1 | 1676583 |
| Horizontal pair, left stamp without overprint Black overprint reading up Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 30122 |
| Horizontal pair, left stamp without overprint Black overprint reading up Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 1972910 |
| Horizontal pair, right stamp without overprint Black overprint reading up Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 1972909 |
| Imperf. horizontal edge. | 1 | 1741848 |
| Inverted center, black overprint reading down Type II overprint: C with serif at top only. L and E with vertical serifs. O tilts to left | 1 | 30110 |
| Inverted center, overprint reading up | 1 | 30102 |
| Inverted overprint | 1 | 30187 |
| Inverted overprint Type II Overprint: Letter "A" with Sharp Pointed Top | 1 | 30139 |
| Overprint CANAL ZONE in black, PANAMA and bar in red CANAL ZONE double | 1 | 30092 |
| Overprint in black reading up Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 1972911 |
| Overprint in black, reading up Type III Overprint: Letters appear thinner than type I, particularly the lower bar of L, Z and E. Impressions are often light, rough and irregular, and not centered | 1 | 1972919 |
| Overprint reading down | 9 | 1972879 1972881 1972882 1972883 1973015 1972884 1972885 1972886 1972887 |
| Overprint reading down Double overprint | 1 | 30100 |
| Overprint reading down Double overprint, one diagonal | 1 | 30097 |
| Overprint reading down with CANAL double | 1 | 30098 |
| Overprinted in black, reading down Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 30126 |
| Overprinted in black, reading up Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 260433 |
| Overprinted in black, reading up Type V Overprint: Smaller block type 1¾mm high. A with flat top | 4 | 1972913 1972914 1972915 1972916 |
| Overprinted in red, reading down Overprint with larger type. A with flat top | 1 | 30128 |
| Overprinted in red, reading up Overprint with larger type. A with flat top | 1 | 1972912 |
| PANAMA (15mm long) reading up at left, down at right Overprint CANAL ZONE in black, PANAMA and bar in red | 3 | 1972874 1972876 1972838 |
| PANAMA reading down and up, CANAL ZONE inverted | 1 | 30089 |
| Panama Postage Due Stamp Overprinted in blue Type II overprint: C with serif at top only. L and E with vertical serifs. O tilts to left | 3 | 1972894 1972895 1972896 |
| Panama Postage Due Stamp Overprinted in blue Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 1972857 |
| Preforated on three sides | 1 | 30235 |
| Regular issue overprinted in black | 7 | 1972982 1972983 1972984 1972985 1972986 1972987 1973002 |
| Regular issue overprinted in black Type I: PANAMA 10mm long | 1 | 1972988 |
| Regular issue overprinted in black Type I: PANAMA 9mm long | 1 | 1972989 |
| Silver bridge omitted Giori Press Printing | 1 | 30219 |
| Stamp of Panama overprinted in black Overprint reading up | 1 | 1972880 |
| Type I Overprint: PANAMA CANAL 19-20 mm long | 1 | 30186 |
| Type II Overprint: Letter "A" with Sharp Pointed Top | 2 | 1972935 1972953 |
| Type II Overprint: Letters A with Sharp Pointed Tops | 9 | 1741846 1972942 1972943 1972944 1972945 1972946 1972947 1972948 1972951 |
| Type II Overprint: Letters A with sharp pointed tops | 1 | 1972949 |
| Type II Overprint: PANAMA CANAL 17mm long | 5 | 1972997 1972998 1972999 1973000 1973001 |
| U.S. Postage Due Stamp Overprinted Type I: Letters A with Flat Tops | 3 | 1972929 1972930 1972931 |
| U.S. Postage Due Stamp Overprinted Type II: Letters A with Sharp Pointed Tops | 3 | 1972936 1972937 1972938 |
| U.S. Postage Due Stamp Overprinted in Black | 3 | 1972846 1972847 1972848 |
| U.S. Stamp Overprinted Type II Overprint: Letter "A" with Sharp Pointed Top | 2 | 1676560 1973020 |
| U.S. Stamp Overprinted in Black | 2 | 1972978 1972979 |
| U.S. Stamp Overprinted in Black Type II Overprint: Letter "A" with Sharp Pointed Top | 1 | 1972960 |
| U.S. Stamp Overprinted in Black Type II Overprint: Letters A with Sharp Pointed Tops | 1 | 260434 |
| U.S. Stamp Overprinted in Black Type II Overprint: Letters A with Sharp Pointed Tops | 4 | 1972957 1972958 1972968 1972972 |
| U.S. Stamp overprinted Type I (Letters A with Flat Tops) and additional overprint in blue | 1 | 1972940 |
| U.S. Stamp overprinted Type I (Letters A with Flat Tops) and additional overprint in red | 2 | 1972939 1972941 |
| U.S. Stamps Overprinted in Black Type II Overprint: Letter "A" with Sharp Pointed Top | 1 | 1972961 |
| U.S. Stamps Overprinted in Black Type II Overprint: Letters A with Sharp Pointed Tops | 1 | 1972959 |
| U.S. stamp overprinted in black Type I overprint: Letter "A" with Flat Top | 3 | 30130 1972923 1972933 |
| U.S. stamp overprinted in black Type I overprint: Letters A with Flat Tops | 3 | 1741851 1972926 1741845 |
| U.S. stamp overprinted in black Type I overprint: Letters A with Flat Tops | 5 | 1972922 1972924 1972925 1972927 1972928 |
| U.S. stamp overprinted in red Type I overprint: Letters A with Flat Tops | 1 | 30131 |
| US Stamp overprinted Type II Overprint: Letters A with Sharp Pointed Tops | 1 | 1972950 |
| US stamp SN No.319 type I with black overprint CANAL ZONE PANAMA | 1 | 1676556 |
| Vertical pair, one without overprint U.S. Stamp Overprinted in Black Type II Overprint: Letters A with Sharp Pointed Tops | 1 | 30143 |
| Vertical pair, one without overprint, other overprint inverted Type II Overprint: Letters A with Sharp Pointed Tops | 1 | 30140 |
| With added surcharge in red 8 cts double | 1 | 30094 |
| ZONE CANAL Type II Overprint: Letters A with Sharp Pointed Tops | 2 | 30137 30142 |
| ZONE CANAL Type II Overprint: Letters A with Sharp Pointed Tops | 1 | 1972956 |
| ZONE ZONE U.S. Postage Due Stamp Overprinted | 1 | 30135 |
| ZONE double Black overprint reading up Type V Overprint: Smaller block type 1¾mm high. A with flat top | 1 | 30123 |
| ZONE inverted Type II Overprint: Letters A with Sharp Pointed Tops | 1 | 1972955 |
| imperforate at the top | 1 | 2030965 |
| two shades of blue-green paper exist | 1 | 30209 |