Lot
385 
Steam Panama, bold type 1 oval handstamp and "San Francisco, Cal., May 20" cds (Williams SAF-860) on 1870, 10¢ brown entire to Oakland, Cal., canceled by matching circle of wedges cancel, manuscript "pr Arizona" ship endorsement at upper left; small cover edge tears at top, otherwise Very Fine, the only reported example of the Steam Panama marking used on any 1870 issue postal entire. Scott No. U91 Estimate $750 - 1,000.
Realized: $725