Czechoslovakia: 1918-49, the chiefly mint specialised collection in two albums and a stockbook with 1918 (Oct.) 10h., 20h., 1918-20 Hradcany values to 1000h. with a number of perforation types, 1919 Charity overprints, 1920 imperf. Air values, 1925 Olympic Congress set, 1926 All-Sokol Display, 1926-31 Pictorials to 5K. (both watermarked and unwatermarked series), 1930 Air values with additional perf. types, 1934 National Anthem 1K. and 2K. from the souvenir sheets, 1937 Bratislava Exhibition sheets (Types I-VI); many multiples including plate blocks noted. (thousands)