Description
Rear of cover two cachets 1- RAF Post Office Valley Anglesey 2- Hatfield Aerodrome
There was a special post box at Home Postal and Courier Communications Depot RE Inglis Barracks Mill Hill London NW7 1PX where items posted would receive the special handstamp. Items for re-posting needed to be sent to the Philatelic Officer at the barracks
A serviced cover cost 25p
