Thematic Philately - Grey Heron
20+10 k 1990
USSR
0.77 - 0.92$
price on 01.03.2023
The surcharge was in aid of the All-Union Society of Philatelists.
Quote "Environmental protection is a topical subject of philately".
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: | 1990 |
| Material: | coated |
| Size: | 65 x 90 mm |
| Perforation: | frame 12 |
| Mintage: | 500,000 |
Association of Philatelists: Environmental Protection
 Thematic Philately - Swallowtail 1.1$ |  Thematic Philately - Grey Heron 0.77$ |