| 1928-31 American Architecture USED BLOCK/4 |
| 1779-82 American Architecture USED BLOCK/4 |
| 1838-41 American Architecture USED BLOCK/4 |
| MNH 1979 Architecture US Stamp Plate Block, Scott 1782a |
| US 1928 to1931 Architecture Plate Block PB 4 Stamps MNH |
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| American Architecture Block of 4 R&R Colorano 10/9/80 |
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| IRELAND 12p ARCHITECTURE DEFINITIVE PLATE BLOCK MNH |
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| IRELAND 12p ARCHITECTURE DEFIN TEE GUTTER BLOCK MNH |
| IRELAND 15p ARCHITECTURE DEFIN TEE GUTTER BLOCK MNH |
| IRELAND 10p ARCHITECTURE DEFIN TEE GUTTER BLOCK MNH |
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