The Stranglers Holy Grail Blackmail Sleeve Peaches/ Go Buddy Go 7 Vinyl Single

Mega rare blackmail sleeve of The Stranglers 7 single.
Record in great condition, sleeve has some wear around the opening see pics and small split to bottom seam.
Stock issue 45 UP 36248 in a Blackmail titled picture sleeve.
This sleeve was withdrawn and never available commercially.
Copies were only sent out for promotion.
Both sides of the record are labelled Side A
However, Peaches is given as UP 36248A and Go Buddy Go is given as UP 36248B.
The label on side A states This Is Not The B Side .
The Label on side AA states This Is Not The B Side Either .