Air Mail used 1938 perf 11½ x 12½ 3p. on 3½p. fine used. Also 1898-950, a mainly mint selection (some toning) with 1898 and 1933 sets, Postage Dues with 1901 and 1948 sets mint and used, and Army Official 1906-11 set overprinted "SPECIMEN". Cat. 870 (69)