1918-1940 Mint and used issues on pages including 1923 Air 10m on 5m and 20m on 5m perforated pairs mint (not guaranteed, offered as-is), 1924 Charity overprint pair both perf and imperf used, miniature sheets, etc., also a few 1991-93 issues. S.G. å£2,000 (excluding 1923 Air pairs). (231).