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postage
1963, Dec 18 Presidential Reunion issue unwmk (no perf info)
| - | 0.04b | multi | Chiari |
1963, Dec 20 Winter Olympics 1964 issue
| - | 0.04b | multi | speed skating |
1964, Jan 22 450th Anniversary of Discovery of Pacific Ocean issue
| - | 0.04b | Vasco Nunez de Balboa |
1964, Oct 9 Eleanor Roosevelt memorial issue
| - | 0.04b | red & blk | Eleanor Roosevelt |
1964, Dec 1 Winter Olympics 1964 Winners' Medals issue
| - | 0.04b | multi |
1965 Medal Winners of the Olympics 1964 issue
| - | 0.04b | multi | — | — |
1965, May 12 Nuclear Power for Peace issue
| - | 0.04b | red & blk | First nuclear reactor Calderhall England | — | — | |
| - | 0.04b | olbrn & blk | First nuclear reactor Calderhall England | — | — |
1967, Oct 17 Paintings of Francisco Goya issue
| - | 0.04b | multi | Señora Francisca Sabasa y Garcia | — | — |
1968, Jan 10 Religious Art 1968 issue
| - | 0.04b | multi | Airmail | — | — |
airmail
1963, Jun 11 ovpted (no wmk info)
| - | 0.04b | on 10c (116) |
postage due
1915 1915 due issue unwmk
| - | 0.04b | olbrn | Capitol, Panama City |
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