The Otto Beh Company
Kümmel, Gerhard E. 125 JAHRE GRAVIER- UND PRÄGEANSTALT OTTO BEH, ESSLINGEN: MEDAILLEN, PLAKETTEN, ANSTECKNADELN. Esslingen, 2011. 8vo, original pictorial boards. 181, (3) pages; illustrated. Fine. The only book-length study of this private company, which struck coins and medals for clients around the globe.