Michel # 1222; Scott # 1154; Stanley Gibbons # 1241; Yvert # 1065;
The Hazel Grouse .
Tetrastes (Bonasa) bonasia.
Color: yellow, brown & blue
Date of Issue: 31.03.1961
Face Value: 2 Lv.
Designer: Vl.Korenev, ?. Velev, V.Tomov
Stamp Size: no information
Stamp Quantity: 300 000
Perforation: 10 ¾