Audubon (167)Kingfisher (12)Sea (24)
Birds of prey (166)Owls (172)Water Birds (123)
Ducks (71)Parrots (162)
Hummingbird (43)Penguins (147)

Liberia - 1997
1913/28 (4Bl.)

Price: 70,00 EUR
1913/28 (4Bl.)

El Salvador - 1993
1916/9

Price: 8,00 EUR
1916/9

Burundi - 2009
1917/25+KB 2SCAN

Price: 60,00 EUR
1917/25+KB 2SCAN

Austria - 1988
1918

Price: 1,00 EUR
1918

Ajman - 1972
1921/3

Price: 4,00 EUR
1921/3

China (Taiwan) - 1990
1922/5 (4Bl.)

Price: 12,00 EUR
1922/5 (4Bl.)

Vietnam - 1988
1922/8+Bl.61

Price: 8,00 EUR
1922/8+Bl.61

Chile - 2000
1923/30

Price: 16,00 EUR
1923/30

Paraguay - 1969
1929/35 (NoAir)

Price: 5,00 EUR
1929/35 (NoAir)