| Postage Due Block Four Watermark #4 Stamps Seychelles |
| MALAYAN POSTAL UNION Sg#D14-21 MH VF Postage Due Block |
| #J103 1978 13c Postage Due Stamp Plate Block US |
| Scott J97 10 Cent Postage Due - Block of 6 MINT |
| #J102 1978 11c Postage Due Stamp Plate Block US Stamp |
| Scott J69 ½ ¢ Postage Due Block of 25 MNH SCV $250! |
| Sc.J102 Postage Due 11c Block of 4 |
| J63 Postage Due, Used Block of 4 with Plate Number |
| (#200) US Postage Due lot of 17 includes block of 4 |
| US NH Postage Due Plate Block Lot ca. J81 to J102 |
| U.S. Scott # J84 MNH OG 10c Postage Due Plate Block |
| #J-97 Postage Due 10c Issue MNH Plate Block |
| #J100 1959 $1 Rotary Press Postage Due Plate Block |
| J90 - 2c Postage Due Plate Block - Dull Gum |
| U.S. Scott # J85 MNH OG 30c Postage Due Plate Block |
| U.S. POSTAGE DUE 1-3-5-6-7-10c. Plate Block Stamps(PB5) |
| J97- 10c Postage Due Plate Block - Dull Gum |
| J89 - 1c Postage Due Plate Block - Dull Gum |
| J93- 5c Postage Due Plate Block - Dull Gum |
| J63 Postage Due, Used Block of 4 with Plate Number |
| Ethiopia - 1913 Hand-Stamped Postage Due BLOCK - MNH |
| Hong Kong 1938 postage due mint Block of FOUR set |
| Hong Kong postwar postage due 20c block UM |
| Hong Kong postwar postage due 50c block fine used |
| Hong Kong 1938 postage due 1c Requsition block mint |
| PERU : 1909 50c POSTAGE DUE, NHM BLOCK |
| PERU Postage Due Mi#33 Used Block ! |
| Postage Due 1922 1½d fresh mint corner block 15 |
| Postage Due 1922 6d mint block - variety |
| AUSTRALIA - 1931/6 POSTAGE DUE 1d IMPRINT BLOCK OF 4 |
| Postage Due 1922 1½d fresh mint corner block 9 |
| VICTORIA 1907 ½d Postage Due block of 8 NHM, S72 |
| NEWFOUNDLAND J7i NH '49 10c Postage Due "LUE" block/25 |
| NEWFOUNDLAND J7ii NH '49 10c Postage Due "DOT" block/25 |
| 1950 PR China Postage Due 800 Y block of 4 stamps MNH |
| French Cochin China - RARE 1884 Due 5c Millesime Block |
| French Cochin China - 1884 Postage Due 15c Block |
| French Cochin China - 1884 Postage Due 30c Block |
| French Cochin China - 1884 Postage Due 10c Block |
| French Cochin China - 1884 Postage Due 20c Block |
| French cols: Imperf due 3c black SCARCE BLOCK OF 4 MINT |
| IRELAND 2p POSTAGE DUE PLATE BLOCK SC J29 MNH |
| IRELAND 6p POSTAGE DUE PLATE BLOCK SC J31 MNH |
| IRELAND 18p POSTAGE DUE PLATE BLOCK SC J33 MNH |
| IRELAND 4p POSTAGE DUE PLATE BLOCK SC J30 MNH |
| IRELAND 8p POSTAGE DUE PLATE BLOCK SC J32 MNH |
| IRELAND 1p POSTAGE DUE PLATE BLOCK SC J28 MNH |
| QE2 decimal training school - Postage Due large block |
| Briel Domus Due Cobalt Blue Thermo Block Espresso Mach. |
| Briel Domus Due Charcoal Thermo Block Espresso Machine |
| Briel Domus Due Red Thermo Block Espresso Machine |
| Briel Domus Due Stainless Thermo Block Espresso Machine |
| Netherlands Indies postage due proof stamp block of 4 |