Commercial Correspondence: Fleishman (S.) & Cohn (M), Plate Glass Purchase, New York, 1859 Three-part commercial correspondence regarding the purchase of plate glass from Fleishman (S.) & Cohn (M) at 60 Liberty Street, New York, New York, dated January 31, 1859. The correspondence includes an envelope with their advertisement on the back, a promissory note to Fleishman (S.) & Cohn (M), and a letter from the same firm.