Lot
802 
J. Bamber & Co.'s Contra Costa Express PAID, large black oval company handstamp (BAM-101) on 1853-55 3¢ Nesbitt entire used as paste-up with three strikes of boxed "Answer By Bamber & Cos Express" etc handstamp (BAM-404), back being simple yellow envelope with address to San Francisco; paste-up half opened roughly at right, Very Fine, a lovely item with three strike of this advertising express handstamp, ex-Knapp.Scott No. U9 Estimate $200 - 300.