Robert Opie Vintage Look Postcards Wartime Seagers Gin Baldwin's Pills Set of 4

Set of 4 unused postcards from the Robert Opie Collection (Gloucester, UK). Postcards are blank on the back. 6" tall x 4" wide. Unused, one card has small stain at corner. "Seagers Special Dry Gin" from the "Glamorous Ladies" series "Keep mum, she's not so dumb! Careless Talk Costs Lives" from the "Wartime" series "Frog in Your Throat" from the "Playtime" series (has stain on back corner) "Baldwin's Nervous Pills" from the "Baldwins Pills Series"