The site Your Daily Photograph proposes this vintage photograph of a Nun with Gun, Papau New Guinea from 1964.
Title: Nun with Gun, Papau New Guinea
Artist: Unknown
Date of image: 1964, printed 1964
Size: 6×8 inches (15×20 cm)
Format: silver gelatin
Features: notated and dated on back
Price: $1100
https://www.yourdailyphotograph.com/