(San Francisco) San Francisco, Cal., May 1, 1862. Cds on cover to Belfast, Ireland, franked with 1861, 10¢ green, horizontal pair tied by target handstamps, underpaying the 29 west-coast rate with additional "Insuf., Paid" straight line handstamp and "Too Late" in oval handstamp for delayed mail, "1/2½" pence due upon arrival, receiving backstamp, Very Fine, a rare usage to Ireland. Scott No. 68  Estimate $600 - 800. $0 (Image)