Michel # 187; Scott # B29; Stanley Gibbons # 228; Yvert # 211;
The Common Chimpanzee .
Pan troglodytes.
Color: dark violet
Date of Issue: 06.06.1939
Face Value: 1.50+1.50 F
Designer: no information
Stamp Size: 27.5 × 23.5 mm.
Stamp Quantity: 37 500
Perforation: 14