Four Woman’s Auxiliary Army Corps Cap Badges

First badge is bronze, unmarked, 38.7 mm x 47.8 mm, intact slider; second badge is blackened bronze, unmarked, 38.5 mm x 48.5 mm, intact slider; third badge is bronze, maker marked "BENT & PARKER Ltd BIRMINGHAM & LONDON" on the reverse, 38.2 mm x 46.2 mm, of two prongs intact; and fourth badge is bronze gilt, unmarked, 38.5 mm x 47.3 mm, both lugs intact. Ranging form fine to extremely fine.