Postcard showing the square in front of the Old Town Synagogue where trading took place on weekdays.
On the reverse side there is an inscription: "Karta korespondencyjna" ["Correspondence card"] printed in three languages: Polish, German and Russian. On the left-hand side, along the shorter side, is an inscription in small print: "Nakładem M.D. Naśladownictwo zastrzeżone" ["Printed by M.D. Imitation prohibited"] and in the lower left corner there is a signature: S.D.M. 2742.