USSR
Acknowledged, but not listed by SG.
| Country: | USSR |
| Type: | Postal blocks |
| Series: | International Mountaineers' Camps of USSR |
| Nominal: | 8*5 k |
| Year: | 1986 |
| Material: | coated |
| Perforation: | comb 11¾ |
| Mintage: | 15,000 |
International Mountaineers' Camps of USSR
 Shavla Gorge, Altai 4.4$ |  E. Korzhenevskaya Peak, Pamir |