Kanada
Visar nu: Kanada - Postfrimärken (1868 - 2024) - 1 frimärken.
1987
Canada Day - Science and Technology - Canadian Inventors
25. juni WM: Inga storlek på arket: 16 Design: Roger Hill Gravyr: Cie canadienne des billets de banque Perforering: 13¼
![[Canada Day - Science and Technology - Canadian Inventors, Typ ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Canada/Postage-stamps/1048-b.jpg)
| Nummer | Typ | D | Färg | Beskrivning |
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| 1048 | AJX | 36(C) | flerfärgad | R. A. Fessenden (AM Radio) | (5595000) | 0,82 | - | 0,55 | - | USD |
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| 1049 | AJY | 36(C) | flerfärgad | C. Fenerty (Newsprint Pulp) | (5595000) | 0,82 | - | 0,55 | - | USD |
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| 1050 | AJZ | 36(C) | flerfärgad | G.-E. Desbarats and W. Leggo (Half-tone Engraving) | (5595000) | 0,82 | - | 0,55 | - | USD |
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| 1051 | AKA | 36(C) | flerfärgad | F. N. Gisborne (First North American Undersea Telegraph) | (5595000) | 0,82 | - | 0,55 | - | USD |
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