DUTCH WEST INDIES 1928 INCOMING PRINTED ENVELOPE SEA POST SHIP COTTICA KNSM Nederlandsche Handel Maatschappij Amsterdam printed commercial envelope addressed to Paramaribo; 12 1/2c single franking; boxed ship cancel K.N.S.M S.S Cottica. Dutch scheepspost. Some faults on envelope. (Green line on scan not on item).