J. Bamber & Cos. Express, Bacon & Hardy, Oakland Office. Printed frank (Haller FB2, Ty. 5) on 3¢ Pink entire (U34), paste-up usage to San Francisco (address on other side), two strikes of blue "J. Bamber & Cos. Express S.F. Mar. 22" receiving datestamp, franked entire slightly toned along edges, other cover a bit roughly opened, Very Fine, extremely rare frank with the Oakland agents' names, ex-Dale-Lichtenstein. Estimate  $750 - 1,000. $0 (Image)