GB Post Office GB FDC 1971 Literary Anniversaries First Day Cover Keats Gray Scott - Postmark Edinburgh - TYPED ADDRESS WITH INSERT.

*** ENVELOPE FLAP IS TUCKED IN - HOWEVER IT APPEARS TO BE STUCK TO INSERT INSIDE ***

3p Keats

5p Gray

7½p Scott

Postmark reads as follows:

"FIRST DAY OF ISSUE 28 JULY 1971 BRITISH POST OFFICE PHILATELIC BUREAU EDINBURGH"

I will post this item using Royal Mail Second Class post - stamps used for postage will include British Post Office First Miniature Sheet !