1930s/1940s, Designer KOSEL, group of 19 proofs of a not realised
issue, single die proofs on gummed paper with line perforation,
five
1930s/1940s, Designer KOSEL, group of 19 proofs of a not realised
issue, single die proofs on gummed paper with line perforation,
five different values in four colours each (red-orange, bluish
green, purple-brown and deep blue): 20c. Pyramid, 30c. Courtyard
(only three pieces, without purple-brown), 1p. Building, 5p.
Hernando Cortes and 10p. Coat of Arms. (M)