1964 Complete set of 8 Colorful Aquarium Fish from Romania. Scott Catalogue # 1635-1642. Each stamp measures 34 x 34 mm and pictures a different fish:

5b Hogfish
10b  Peacock Blenny. 
20b  Mediterranean Scad 
40b Sturgeon
50b Sea Horses
55b Yellow gurnard
1.00l Beluga
3.20l Stingray

Stamps are in Excellent Condition. Clean and Bright.  Small cancellation mark but not used as postage. Original Gum on back, very slight hinge marks as shown in photo.  

Shipped USPS First Class.