1873 (Apr. 27) San Francisco Cal. to Bordeaux, France, blue datelined folded letter bearing 2¢ red brown (146) pair, deep rich color, tied by circular grid cancels duplexed with "San Francisco Cal. Apr 27" cds, sharp red "New York Br. Transit May 7" exchange cds, carried by Cunard Scotia from New York May 7th to Queenstown arriving May 16th, red London (5.19) transit backstamp with black "GB / 40c" bulk debit handstamp, Calais entry cds, Paris (5.20) and Bordeaux (5.21) backstamps, "5" decimes due rating handstamp; some docketing, fresh and Very Fine use at the 4¢ open mail rate. Estimate  $150 - 200. $0 (Image)