(San Francisco) Alcatraz, Cal. Clear 1887 cds (Williams SAF-40) and target handstamp canceling 1887, 1¢ blue + 1883, 2¢ red brown, pair placed over the top of cover to Germany, fancy script for address, Very Fine, 19th century covers from Alcatraz are scarce and quite sought after. Estimate  $100 - 150. $0 (Image)