Hawaii, 1870 forwarded incoming cover to Honolulu, U.S. 1870, 10¢ brown entire with "Forwarded, Williams Blanchard & Co., San Francisco" oval handstamp and endorsed "Per J.B. Ford" at top left, entered the mails in Honolulu and canceled by Honolulu target, Very Fine, a rare forwarder usage from San Francisco. Scott No. U.S. U91  Estimate $500 - 750. $0 (Image)