cover 1868 entire from Southampton (part strike of 5-barred duplex) to Valparaiso, showing "returned for postage" handstamps in two types, one of which is covered by two 1s adhesives sharing a superb "R.L.O." barred-oval cancellation: and 1873 London local circular bearing ½d. but showing the very distinctive framed handstamp "CONTAINS/UNAUTHORISED/WRITING/R.L.O." (ex the Wellburn collection). (2 items)