First UK Aerial Post Hendon to Windsor Castle 1971 RAF flown stamp cover BFPO refF172

First UK Aerial Post Hendon to Windsor Castle 1971 RAF flown stamp cover BFPO refF172 Unsealed no insert. Address label mark on cover.

First UK Aerial Post Hendon to Windsor Castle 1971 RAF flown stamp cover BFPO refF172 Unsealed no insert. Address label mark on cover.

More info

Cover & stamp in very good condition.

Reference

First UK Aerial Post Hendon to Windsor Castle 1971 RAF flown stamp cover BFPO refF172

Reference

First UK Aerial Post Hendon to Windsor Castle 1971 RAF flown stamp cover BFPO refF172