Lot
65 
(Incoming Mail to San Francisco) 1873, London, England folded letter. To San Francisco, California, franked with Great Britain 6d (Scott 60) tied by a black "London Au 13 73" duplex cancel paying the correct 3 pence per half ounce letter rate for up to an ounce from 1-Jan-1870 through 30-June-1875 with a red "San Francisco Paid All Sep 1" receiving cds in the lower left corner, Very Fine. Estimate $100 - 150.
Realized: $170