cover 1910 envelope to USA bearing 1909 ½d. and 1d. pair tied by "ROYAL DUTCH WEST INDIA MAIL/POSTED ON HIGH SEAS/S.S. COPPEMAME" oval cachet in violet and showing "N.Y.P.O. HUD. TERM. STA./PAQUEBOT" transit c.d.s. (20.9); also seven pieces bearing various adhesives cancelled by similar cachets for S.S. Commewijne, Marowijne (3), Saramacca and Suriname (2). Photo