Collection of GB with Aircraft thematic theme. 1974 Centenary of U.P.U. SG955 & 957 - 5½p and 10p values mint and used, 1986 History of the Royal Air Force set of 5 mint and used and presentation pack, 1988 - SG1395 - 34p mint & used, 1989 - SG1436 - 19p mint & used, 1991 - SG1549 - 37p mint & used, 1994 - SG1808 - 1st Biggles mint & used, SG1824 - 25p mint & used, 1995 4 x 1st Machin with R J Mitchell and Spitfire label mint and used on piece plus single mint label, 1997 - SG1984-1988 set of 5 mint & used, 1999 - SG2073 - 20p mint & used, 4 x 1st Machin with 1948-49 Berlin Airlift label used on piece and single mint label, 1980 London International Stamp Exhibition souvenir sheet and 1993 50th Anniv of the Royal Air Forces Association souvenir sheet. Mint stamps are all u.m. (44) (Start Price = £17.60)