Stamps, 21th of any month of any year
19151 to 19200 of 19297
Afghanistan
postage1984, Mar 21 Farmers' Day 1984 issue unwmk (no perf info)
| - | 18a | multi | ||||
| - | 20a | multi |
1985, Apr 21 115th Anniversary of the Birth of Lenin issue
| - | 10a | multi | ||||
| - | 15a | multi | ||||
| - | 25a | multi | ||||
| - | 50a | multi |
1986, Apr 21 116th Anniversary of the Birth of Lenin issue
| - | 16a | multi |
1986, Jun 21 steam locomotives (1986 Afghanistan) (7 stamps)
| - | 4a | multi | ||||
| - | 5a | multi | ||||
| - | 6a | multi | ||||
| - | 7a | multi | ||||
| - | 8a | multi | ||||
| - | 9a | multi | ||||
| - | 11a | multi |
1989, Mar 21 Agriculture Day 1989 issue
| - | 1af | multi | cattle | |||
| - | 2af | multi | Old & new plows | |||
| - | 3af | multi | Field workers |
1998, Oct 21 steppe sheep issue
| - | 800af | multi | Steppe Sheep | — | — | |
| - | 1000af | multi | Steppe Sheep | — | — | |
| - | 1200af | multi | Steppe Sheep | — | — | |
| - | 10000af | multi | Steppe Sheep | — | — |
1999, Jun 21 snails (1999) (7 stamps)
| - | 10000p | multi | Viviparus contectus | — | — | |
| - | 20000p | multi | Calliostoma ziziphinus | — | — | |
| - | 30000p | multi | Natica millepunctata | — | — | |
| - | 40000p | multi | Cassis sulcosa | — | — | |
| - | 50000p | multi | Murex brandaris | — | — | |
| - | 150000p | multi | Helix hortensis | — | — | |
| - | 60000af | multi | Buccinulum corneum |
2001, Aug 21 Mushrooms 2001 issue - mushrooms (2001 Afghanistan) (7 stamps)
| - | 20000p | multi | Amanitopsis vaginata | — | — | |
| - | 30000p | multi | Russula pseudointegra | — | — | |
| - | 40000p | multi | Pieurotus spodoleucus | — | — | |
| - | 60000p | multi | Higrophorus tristis | — | — | |
| - | 100000p | multi | Higrophorus reai | — | — | |
| - | 200000p | multi | Calocybe persicolor | — | — | |
| - | 50000af | multi | Tricholoma saponaceum | — | — |
2003, Mar 21 Farmer Day issue
| - | 3af | multi | ||||
| - | 6af | multi |
2009, Jan 21
| - | 17af | multi | Recognize the Red Crescent |
2009, Jan 21 1150th Anniversary of Birth of Ostad Abu Abdullah Rodaki issue
| - | 55af | multi |
airmail
1951, Mar 21 1951 air issue
| - | 5a | brnred | plane over Kabul palace | |||
| - | 10a | grngray | plane over Kabul palace | |||
| - | 20a | blvio | plane over Kabul palace |
Funafuti
postage1986, Apr 21 Queen Elizabeth II 60th issue
| - | 10c | multi | — | — | ||
| - | 90c | multi | — | — | ||
| - | $1.50 | multi | — | — |
1986, Apr 21 60th Birthday of Queen Elizabeth II issue (5 stamps)
| - | 10c | multi | — | — | ||
| - | 50c | multi | — | — | ||
| - | $1.50 | multi | — | — | ||
| - | $3.50 | multi | — | — | ||
| - | $5 | multi | — | — |
19151 to 19200 of 19297