The photographer's stamp and a date stamp on the verso of the print. Various notations in pencil on the verso. Dr. Paul Wolff was an early proponent of the 35 mm camera in the form of a Leica. He was the author of many books on the subject. Born in 1887 in Germany, he died there in 1951.Shipping and insurance costs will be added to the price and must be paid for by the buyer. Pennsylvania buyers must pay appropriate local sales tax. International clients are responsible for their VAT and other custom's oriented charges.