Thematic Philately - Swallowtail (Papilio machaon)
20+10 k 1991
USSR
1.1 - 1.3$
price on 01.03.2023
The surcharge was in aid of the All-Union Society of Philatelists.
25th Anniversary of USSR Philatelic Society. Quote "Environmental protection is a topical subject of philately".
25th Anniversary of USSR Philatelic Society. Quote "Environmental protection is a topical subject of philately".
| Country: | USSR |
| Type: | Postal blocks |
| Series: | Association of Philatelists: Environmental Protection |
| Nominal: | 20+10 k |
| Year: | 1991 |
| Size: | 90 x 64 mm |
| Perforation: | frame 12 x 12½ |
| Mintage: | 700,000 |
Association of Philatelists: Environmental Protection
 Thematic Philately - Swallowtail (Papilio machaon) 1.1$ |  Thematic Philately - Grey Heron (Ardea cinerea) 0.77$ |