Proof 1912-60, a collection of Waterlow sample stamps covering the 1912, 1920-25, 1925-37 Air, 1926 Coronation, 1928 (April), 1941, 1947-49, 1950 Coronation, 1951-60, 1951 U.N. Day, 1952-53 Air, 1955 King Naresuan, 1955 Tao Suranari, 1955 King Taksin and 1956 Pagoda issues, the first three issues represented by the stamps as issued cancelled by punch hole, thereafter with imperf. plate proofs (either the complete design or the frame or vignette only) and the stamps as issued, all with punch holes and a few additionally showing printers' red ink correction marks, a fine and most attractive lot. Photo. (356)