United States. (Argentina). 1897. Registered 'Columbus' postal stationery envelope 'one cent' blue upgraded with SG 227, 4c sepia, SG 228, 5c brown and SG 230, 8c purple tied by cork cachet with oval 'Lowell Mass/ Registered' in violet 'Aug 24 1897' addressed to Argentina, routed via New York with New York registration label and Argentina receiver on reverse 'Oct 6 97'. Attractive item.