Bidspirit auction | Czechoslovakia

Czechoslovakia - PARTICIPATION IN NEW YORK WORLD EXHIBITIONS: 1939-40, nine souvenir sheets Bratislava 1937 and Praga 1938 with text in black and Arms in black, blue, red or green, in addition one booklet cover from Exhibition of 1940, all with full OG, NH, VF, Est. $300-$400, Scott #239, 251 footnote