Random triples
| Subject | Object |
|---|---|
| gptkb:1851_Issue | imperforate |
| gptkb:$1_Columbus_in_Sight_of_Land_stamp | 12 |
| gptkb:15_cent_Columbus_Announcing_His_Discovery_stamp | 12 |
| gptkb:$1_Black_Bull_(Western_Cattle_in_Storm) | 12 |
| gptkb:Canadian_postage_stamps | yes |
| gptkb:$2_Columbus_in_Chains_stamp | 12 |
| gptkb:Washington-Franklin_Issues | various (8.5, 10, 11, 12, 10x11, 11x10, etc.) |
| gptkb:$15_Capitol_Dome_stamp | 11 x 10.5 |
| gptkb:First_Swedish_stamp_issue | imperforate |
| gptkb:Penny_Black_stamp_design | imperforate (no perforations) |
| gptkb:15c_Columbus_Announcing_His_Discovery | 12 |
| gptkb:Bluenose_stamp | 11 |
| gptkb:4c_Fleet_of_Columbus | 12 |
| gptkb:Soviet_stamps | yes |
| gptkb:Franklin-Washington_issues | varied |
| gptkb:Scott_292 | 12 |
| gptkb:1c_Columbus_in_Sight_of_Land | 12 |
| gptkb:Declaration_of_Independence_(24_cents) | 12 |
| gptkb:Columbian_Issue_stamps | 12 |
| gptkb:Eagle_and_Shield_(10_cents) | 12 |