© 2018 Darrell Drury - Royal Engineers First Day Covers
Freedom of the City - Gibraltar - Royal Engineers Bicentenary
First Day Cover - First Day Issue
Stamps: 3 x Gibraltar commemoratives, Bicentenary of the RE in Gibraltar, 1ᵖ, 3ᵖ and 5ᵖ, issued 6 March 1972.
Special Handstamp: Gibraltar - RE Cipher - First Day of Issue.