[Mystery Violinist] Carte de Visite Photograph of ViolinistHirsch of Berlin CDV photograph of violinist with the first name of "Theo" with text (caption and back) in German. Caption: "The etc. passed [an exam] with distinction. Berlin, March 18, 1878." Text on the back: "Dear Hans, for now this dear, old picture of our Theo with his violin. The other, from his final days, will follow soon. V. tr. Odo [?]." The violinist remains unidentified. 4 x 2. 5 inches (10 x 6. 3 cm).