Great Western Railway Anniversaries
12th April 1973. 40th Anniversary of Great Western Railway Air Service.
Commemorating the 40th Anniversary of the Great Western Railway Air Service. Produced by the Islander Study Group the design is a reproduction of the 1933 Great Western Railway Parcel label, and were used on covers flown on a re-enactment flight.

Sheets of 8 (2 rows of 4). Rouletted.
3d
Black on green. Great Western Railway Prepaid Newspaper Parcel label.

12th April 1983. 50th Anniversary of Great Western Railway Air Mail Service.
Commemorating the 50th Anniversary of the Great Western Railway Air Mail Service, although the stamps did not come into use until some weeks later. The design is a reproduction of the 1933 3d air mail stamp overprinted with '1933-1983 50th Anniversary' in red. The stamps were printed for Tim Clutterbuck & Co.

Lithography in sheets of 3. Rouletted 7. Number printed: aproximately 333 sheets.
3d
Green and red. Westland Triplane.

Twenty sheets were overprinted 'SPECIMEN'.

12th April 1983. 50th Anniversary of Great Western Railway Air Mail Service.
Issued by the Great Western Society T.P.O. 814 Group.
Designed by J. Tuck and C.J. Whitehead. Printed in Lithography by Triprint in sheets of 3. Rouletted 9. Number printed: 2100.
15p
Carmine red. G.W.R. air mail aircraft and emblems.

Also overprinted 'SPECIMEN' in black.


Bibliography
50th Anniversary of the Airway Letter Service John Holman, Gibbons Stamp Monthly, April 1983, pp. 62-3
G.W.R. Air Mail - 50th Anniversary Roger de Lacy-Spencer. British Private Post Study Group Newsletter No. 26, October 1983, pp. 36-37, 48