Railway_Air_Services_printed_envelope,_1934.jpg

Summary

Description	English: Railway Air Services printed envelope, 1934, for the Bristol to Manchester route, with a 1½d postage stamp. Postally marked "Bristol, 20 August 1934", and addressed to "A Phillips, Railway Air Services, L.M.S. Office, Piccadilly, Manchester"
Date	before 1935 date QS:P,+1935-00-00T00:00:00Z/7,P1326,+1935-00-00T00:00:00Z/9
Source	https://twitter.com/C20thPosters/status/1706195256134275152
Author	Anon

This work created by the United Kingdom Government is in the public domain .

This is because it is one of the following :

It is a photograph taken prior to 1 June 1957; or
It was published prior to 1974; or
It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1974.

HMSO has declared that the expiry of Crown Copyrights applies worldwide (ref: HMSO Email Reply )
More information .

See also Copyright and Crown copyright artistic works .