DUCHESS OF HAMILTON STEAMER MAIL; Range with 1907 or 1908 PPC's to Leicester or Irvine franked ½d tied by Girvan or Ardrishaig cds's with fine purple double-oval "CALEDONIAN STEAM PACKET CO/P.S/DUCHESS OF/HAMILTON/LIMITED" cachets; 1967 PPC postmarked "CAMPBELTOWN" with s/l "T.S. DUCHESS OF HAMILTON" hs & env. postmarked "GOUROCK" with large mainly fine double oval "THE CALEDONIAN [STEAM] PACKET CO. LTD./19 JUL 1967/[T.]S. DUCHESS OF HAMILTON" cachet on back. Also a PPC postmarked 1923 of the Duchess of Hamilton. (4 covers/cards + 1 PPC) (Image)