| 6th ASEAN ORCHID CONGRESS STAMP FROM THAILAND 1986 RARE |
| Universal Postal Congress- U. S. Stamp Sheet (25 Cent) |
| BOTANICAL CONGRESS 4 Stamp block |
| XVIII FIGO World Congress Gynecology & Obstetric Stamp |
| 21st World Road Highway Congress Malaysia MNH Stamp |
| 5th Congress AIDS In Asia & The Pacific Malaysia Stamp |
| Cancer congress, Stamp exhibit, Labor organizations |
| PHILIPPINES 1956 #633 Eucharistic Congress stamp on FDC |
| THIRD ASIAN CONGRESS OF PEDIATRICS RED CROSS STAMP 1978 |
| Congress 606 Gold Edge Playing Cards 1918 Box Tax Stamp |
| CONGRESS Playing Cards BALI DANCERS Sealed w/ TAX STAMP |
| France 1919 WWI Peace Congress Red Cross Stamp - Vi |
| France 1919 WWI Peace Congress Red Cross Stamp - Bl |
| US 1939 Cleveland Poultry Congress Poster Stamp |
| Spain 1969 Social Work Congress Poster Stamp |
| Cuba 1938 Havana Municipal Congress Poster Stamp |
| US 1939 Medicine OB Congress Poster Stamp |
| The 22nd Congress of the UPU Souvenir Sheet China Stamp |
| 1998-12 Emblem of 22nd Congress of UPU Stamp |
| All China Philatelic Federation Congress Souvenir Stamp |
| Nazi City Government Congress Stamp Set! |
| 1957 IV World Union Congress perfor. variety used stamp |
| GEORGE V POSTAL UNION CONGRESS LONDON 1920 1/2d stamp |
| Library of Congress meter stamp slogan cover 2. |
| Library of Congress meter stamp slogan cover 1. |
| CANADA 1957 #371 UPU Congress stamp on FDC |
| CANADA 1957 #372 UPU Congress stamp on FDC |
| Case XX 4 Blade Congress 64052 Two Different Date Stamp |
| JOHN HANSON CONTINENTAL CONGRESS STAMP 22K GOLD FDC |
| FIRST CONTINENTAL CONGRESS 1774-1974 4 STAMP SET FDC |
| - LIBRARY of CONGRESS - 22K Gold FDC Stamp |
| [041] CONGRESS, FLAG stamp MNH PHILIPPINES |