Audubon (170)Kingfisher (11)Sea (24)
Birds of prey (152)Owls (156)Water Birds (124)
Ducks (50)Parrots (159)
Hummingbird (43)Penguins (147)

Austria - 1988
1918

Price: 2,00 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)

Congo (Kinshasa) - 2007
1929/32(KB)+Bl.303/6

Price: 100,00 EUR
1929/32(KB)+Bl.303/6

Congo (Kinshasa) - 2007
1929/32(KB)A/B+Bl.303/6A/B

Price: 320,00 EUR
1929/32(KB)A/B+Bl.303/6A/B

Paraguay - 1969
1929/37

Price: 15,00 EUR
1929/37