United States. (France). 1875. Stamp-less envelope addressed to France cancelled by San Francisco date stamp '14th Aout 75' with adjacent cork obliterator and framed 'UNPAID', routed overland via New York with 'New York/ Br' transit date stamp 'Aug 21st' on reverse and 'Etats Unis' French entry cachet, charged with hand-struck '1f 25' in red on face and Surgeres arrival '2nd Sept' on reverse.
Nice item of Trans-Atlantic mail paying the un-franked double tariff plus double the share of fine.