1933 Official Air surcharges, 1p20c on 1915-16 1p Green (64) and 1p20c on 1919-22 1p Green (20, one block of 8 stuck together), various opt varieties apparent, SG Nos. O369, O388, cat £914 (84)
Lot 569
Estimate: $30
1938 150th Anniversary of U.S. Constitution miniature sheet (8, one cancelled), several with tone spots or rubbing. SG No. MS367b, cat £70
Lot 570
Estimate: $50
1940 50th Anniversary of Pan-American Union miniature sheet perf (3) and imperf (2), 1945 opt for Allied Victory perf (9, one cancelled) and imperf, 1949 opt for U.P.U. Anniversary perf. A number are toned or with slight damage, SG cat £102 (15 M/S)