Michel # 50; Scott # 50; Stanley Gibbons # 58; Yvert # 44;
The Thick-billed Parrot .
Rhynchopsitta pachyrhyncha.
Color: multicolored
Date of Issue: 12.03.1971
Face Value: 2 1/2 p
Designer: Jennifer Toombs
Stamp Size: 26 × 41.5 mm.
Stamp Quantity: 1 363 427
Perforation: 11¾