J. Bamber & Co., Contra-Costa Express, San Francisco, oval handstamp on two covers from same correspondence to Oakland Cal., first with "Wells Fargo & Co., Grass Valley, Nov 26" blue oval datestamp on 3¢ red (U10) buff Nesbitt entire, printed black Wells Fargo paid frank; second with blue "Wells, Fargo & Co., Benicia, Dec 11" oval on 3¢ red (U9) entire, printed black Wells Fargo paid frank, each was taken to San Francisco and handed over to Bamber & Co., a Very Fine pair of conjunctive uses. Estimate  $200 - 300. $0 (Image)