Oceanexpo 75

Set of 6 stamps.

(Oceanexpo 75 Emblem and):
3k, Sturgeon, Caspian sea.
4k, Salt-water shell, Black Sea.
6k, Eel, Baltic Sea.
10k, Sea duck, Arctic Sea.
16k, Crab, Far Eastern waters.
20k, Chrisipther (fish), Pacific Ocean.