U.S. Used Stock, 1856-1951. Selection of mostly 19th Century, much better including #12 (PF certificate), 519 (reperfed, PF certificate), 3¢ 1869 with some fancy cancels; various Bank Notes, 832b watermark USIR; some back-of-the-book, a few covers; some mixed condition, owner's Scott catalog value about $5,500, please inspect. Estimate  $500 - 750. $0