Issuer: Argentina
Date: 12/10/1983 (1983 sheets)

Block 1 (12, 4 x 3)
1, 1: 2pa d=Eudyptes crestatus (1983)
1, 2: 2pa d=Diomedea exulans (1983)
1, 3: 2pa d=Diomedea melanophrys
1, 4: 2pa d=Eudyptes chrysolophus (1983)
2, 1: 2pa d=Luis Piedra Buena, after Juan R. Mezzadra
2, 2: 2pa d=Carlos Maria Moyano, after Mezzadra
2, 3: 2pa d=Luis Py, after Mezzadra
2, 4: 2pa d=Augusto Lasserre, after Horacio Alvarez
3, 1: 2pa d=Phoebetria palpebrata (1983)
3, 2: 2pa d=Hydrurga leptonyx (1983)
3, 3: 2pa d=Lobodon carcinophagus (1983)
3, 4: 2pa d=Leptonychotes weddellii



External links:
Colnect 389306.._the_Antarctic