unused 1920, 2c Orange Vermilion & Black type V, horizontal pair, one without overprint (56c), B.L. corner margin horizontal pair, L. stamp without overprint, CZSG 56c.II, fresh, full o.g., beautifully centered, very fine and choice, rare, only twenty error pairs were issued in this configuration (L. stamp without overprint), Scott retail $1,750.00 photo