R. B. Bradford, Free Frank, Addressed to Co-Owner of the Pony Express, William B. Waddell on Uncanceled U10 Entire

Manuscript “Free R.B.B.” at upper left, signed by R. B. Bradford, who served as the Jones & Russell agent in Denver. Addressed to William Bradford Waddell, one of the three founders of the Pony Express, at Lexington, Missouri. Mailed on an uncanceled 3c Red Nesbitt entire (U10), with the indicia cut out and replaced.