© 2018 Darrell Drury - Royal Engineers First Day Covers
Royal Tournament Earls Court London June 26 - July 13
Royal Engineers Postal Service to H.M. Forces
Stamps: 1s "Sopwith Camel and English Electric Lightning Fighters" commemorative, issued 29 May 1968.
Special Handstamp: The Royal Tournament BFPS 1068, 26 JU 1968, Crown and Tri Service symbol in the centre.