Audubon (192)Kingfisher (18)Sea (26)
Birds of prey (292)Owls (283)Water Birds (162)
Ducks (103)Parrots (254)
Hummingbird (71)Penguins (180)

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

Aitutaki - 1985
D 22+4+6+8+33

Price: 30,00 EUR
D 22+4+6+8+33

China (Taiwan) - 1990
1922/5

Price: 3,00 EUR
1922/5

Chile - 2000
1923/30

Price: 16,00 EUR
1923/30

Burundi - 2009
1926/9 (4Bl)

Price: 70,00 EUR
1926/9 (4Bl)

Burundi - 2009
1926/9+Bl.147

Price: 40,00 EUR
1926/9+Bl.147

Burundi - 2009
Bl.147

Price: 20,00 EUR
Bl.147