Hawaii, Kukaiau Mill Co. Straight line purple handstamp (Davey 607) cancelling on 1893, 5¢ Provisional entire to the plantation manager of the Hamakua Mill Co. in London, England, "Honolulu, H.I., May 19, 1895" duplex postmark and London receiver on reverse, Very Fine, a very scarce marking seldom seen on cover. Scott No. U12  Estimate $300 - 400. $0 (Image)