© 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: 4 x "Machins" definitives - 5ᴰ blue, 7ᴰEmerald, 8ᴰ Vermillion, 10ᴰ Drab, issued 1 July 1966.
Special Handstamp: The Royal Tournament BFPS 1068, 26 JU 1968, Crown and Tri Service symbol in the centre.