[Virginia City Pony Express, 10c Blue imprinted entire], (#143LU2) the 10c imprinted over black Wells, Fargo & Co. franked 3c pink entire, a front only with back added, overall lithographed Gould & Curry Silver Mining Co. design, two strikes of blue "Wells, Fargo & Cos. Express S.Frco. 29 Mar." large double-circle datestamp, creases and small edge tears, only two reported to exist, both in similar quality

ex Kramer and Walske (Image)