Antique Real Photo Postcard, circa 1930s. Depicting a male singing group in concert. Published by Kramer Fotos, Hengsen Kreis, Unna. Divided back, unused. Condition: This is an original photo postcard, not a copy or reproduction. It is in very good condition. Comments: Hengsen is a part of the Westphalian municipality of Holzwickede, district of Unna.