I. Gutte, San Francisco. Bold blue straight line forwarder docketing form handstamp, on reverse of 1875 cover from Great Britain to San Francisco, franked with G.B. 1867 3d rose tied by Ventor duplex handstamp, red "San Francisco, Paid All" exchange marking, original enclosure, Very Fine, unlisted in Rowe and very rare. Estimate  $250 - 350. $0 (Image)