| United States Scott 77 Used PhD |
| United States MNH Plate Block Collection Scott $$ PhD |
| United States Scott 119 Used PhD |
| United States Scott 148 Used PhD |
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| United States Scott 343-347 Mint Imperforates PhD |
| United States Scott 25 Type I 3c Washington Used PhD |
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| United States Scott 73 Used w/perf error PhD |
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| United States Scott 73 Used w/Bull'seye cancel PhD |
| United States Scott 89 Used PhD |
| United States Scott 68 Mint NG PhD |
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| United States Scott 35 10 c Washington Used PhD |
| United States Scott 151 Used PhD |
| United States Scott 149 Used PhD |
| United States Scott 117 Used PhD |
| United States Scott 116 Used PhD |
| United States Scott 69 Used PhD |
| United States Scott 118 Used PhD |
| United States Scott 96 Used PhD |
| United States Scott 121 Used PhD |
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| United States Nat'l Parks Collection Scott 740//56 PhD |
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| United States Scott CE2 MNH Top Plate Arrow Block PhD |
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| United States Scott 68a Used Great Centering PhD |
| United States Scott 71 Used Cork Cancel PhD |
| United States Scott 71 Used CDS Cancel PhD |
| United States Scott 731 Mint PhD |
| United States Scott 614, 615 and 616 Mint PhD |
| United States Scott 659 MNG Plate Block Nebraska PhD |
| United States Scott 78 Used PhD |
| United States Scott 63 1c Franklin Mint PhD |
| United States Scott 18 1c Franklin Mint PhD |
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| United States Scott 73Pa - VF 2ct Jackson - Proof PhD |
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| United States Scott C2 Used Perfin PhD |
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| United States Presidents Scott 803/851 MNH Perfect PhD |
| United States Plate Blocks Scott 803-833 MNH PhD |
| United States Zeppelin Scott C15 Mint VVLH PhD |
| United States Scott 630 MNH White Plains S/Sheet PhD |
| United States Air Mail Scott C3 MNH PhD |
| United States Scott C25-31 MNH PhD |
| United States Scott 731 FDC Souvenir Sheet 8/25/33 PhD |
| United States Kansas Overprints Scott 658-668 MNH PhD |
| United States Scott C16, C19, C24 MNH C17 MLH PhD |
| United States Scott C20-C22 MNH PhD |
| United States Registered Cover Scott 750 S/S PhD |
| United States Zeppelin Scott C13 Mint PhD |
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| United States 1929 Graf Zeppelin Cover Scott C5 C6 PhD |
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| United States Zeppelin Scott C14 Mint Never Hinged PhD |
| United States Nebraska Overprints Scott 669-679 MH PhD |
| United States Air Mail Scott C1 Mint HR PhD |
| United States Scott 730 FDC Souvenir Sheet 8/25/33 PhD |
| United States Air Mail Scott C2 MNH PhD |
| United States Air Mail Scott C4 MMH PhD |