Michel # 100; Scott # 1011; Stanley Gibbons # 104;
The Whooper Swan .
Cygnus cygnus.
Color:
green
Date of Issue:
01.01.1950
Face Value:
$ 20
Designer:
no information
Stamp Size:
18.5 × 21 mm.
Stamp Quantity:
49 000
Perforation:
12½