| Main Menu > Catalogue > Explorer > All items by issue > Countries > U > USSR > 1990 > USR2/1990-05-03/01/IS/000/N1 |
| No-stamps issue |
| USR2/1990-05-03/01/IS/000/N1 |
| World Philatelic Exhibition Belgica '90, Brussels, Belgium. |
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| USR21990050301S2001N1 |
| S2 PS Cover |
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