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postage
1922, Feb 17 1922a Dollard issue ovpted on stamp of Great Britain wmk. crown & GvR p. 15x14
| X | 1/2p on 1/2d | grn | King George V |
1922, Jun 1922c issue ovpted on stamp of Great Britain
| - | 1/2p on 1/2d | grn | King George V |
1922, Jul 1922d issue ovpted on stamp of Great Britain
| - | 1/2p on 1/2d | grn | King George V | — | — |
1922, Dec 1922e issue ovpted on stamp of Great Britain
| - | 1/2p on 1/2d | grn | King George V | — | — |
1922, Dec 1922f issue ovpted on stamp of Great Britain
| X | 1/2p on 1/2d | grn | King George V |
1922, Dec 6 1922g issue wmk. SE
| X | 1/2p | emer | Sword of Light | — | — |
1923 1923 issue ovpted on stamp of Great Britain wmk. crown & GvR
| - | 1/2p on 1/2d | grn | King George V |
1934 wmk. SE p. 14v
| - | 1/2p | grn | Sword of Light | 10.–100 | 10.–100 |
1940 1940 issue wmk. e p. 15x14
| X | 1/2p | emer | Sword of Light |
1943, Jul 31
| X | 1/2p | grn | Douglas Hyde |
1943, Nov 13
| X | 1/2p | grn | Rowan Hamilton |
1944, Jun 30 (no perf info)
| X | 1/2p | grn | Brother Michael O'Cleary |
1968, Sep 23 1968 issue p. 15
| - | 1/2p | brnorg | stylized dog | .20 |
postage due
1925, Feb 20 1925 due issue (no wmk info) p. 14x15
| - | 1/2p | yelgrn | numeral |
1940, Feb 10 1940 due issue wmk. e
| - | 1/2p | yelgrn | numeral |
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