POSTAL – CALIFORNIA EXPRESS –BAMBER & CO. EXPRESS COVER.
Bamber & Cos Express, W.B. Hardy's Office Oakland, Paid black frank l on 3c pink 1868 to San Francisco, J. Bamber & Co's Express (Jul 1858 - Jul 1874). On September 9, 1870 Bamber incorporated as "Bamber Express Co." with four other trustees. On January 1, 1874 a change in ownership was announced, including A.D. Whitney, and on July 6, 1874 it was announced that Whitney & Co. Express had purchased the company. Exhibits heavy use and wear, top right edge has small irregular tear, small ¼”  edge tear left middle edge, back of cover incomplete. (ex135).   $100.