Lot 35Bamber & Co.'s Contra Costa Express, Paid. (Danville), handstamp frank in red (BAM-101) on 3¢ pink (U35) entire to San Francisco, manuscript "D" in top corner indicating Danville origin and red "Bamber & Co.'s Express, S.F., Aug 15" double-circle datestamp (BAM-102), Very Fine and rare example of this Bamber handstamp frank with only two recorded strikes in red.
Estimate $300 - 400.
Bamber carried from Danville into the business district of San Francisco. Bamber would normally turn over to Wells Fargo in S.F. but had a arrangement that allowed them to carry into the business district.