Michel # 1026; Scott # 980; Stanley Gibbons # 1150;
The Siberian (or Common) Chipmunk .
Tamias (Eutamias) sibiricus.
Color: sepia and green
Date of Issue: 14.12.1968
Face Value: 15 Y
Designer: no information
Stamp Size: 22 × 25 mm.
Stamp Quantity: 100 000 000
Perforation: 13:13½