Registered Buckingham Palace cover
Date: 12.08.1966 (Not FDC)
PM: Buckingham Palace – Registered cover
Cachet: Official Buckingham Palace cover? See backside
Stamps: Four SG 665 and one SG666
Registered Buckingham Palace cover
Date: 12.08.1966 (Not FDC)
PM: Buckingham Palace – Registered cover
Cachet: Official Buckingham Palace cover? See backside
Stamps: Four SG 665 and one SG666