SUPERB USED US #162 CLAY WITH SECRET MARK BANKNOTE  - - You are bidding on one used stamp identified as US #151, the 12c Blackish Violet Clay.  A sound stamp with superb centering. 

Catalogue Value is $150.00++. Scans at 10X show the entire lot and will be mailed with protective stiffeners. 

U.S. domestic shipping & handling is free. Overseas buyers, please request the cost by email.

Member of the American Philatelic Society. Take a look at the other collectibles I have for sale.