Undenominated 'FRANQUEO' postal stationery envelope with view of 'Villa Arenas Blancas, Varadero, Matanzas' sent by a member of the Cuban voluntary force in Luanda, Angola with manuscript 'Guillermo Silva Merino, Cooperante Internasionalista, APARTADO 4214, Habana 4, Lubango - Huila - RPA' return address at top left used with fair strike of large 'R.P.A. EMP CUBAT' cds and CUBA CLASIF NACIONAL machine cancel applied on arrival. Addressed to SANTIAGO DE CUBA with arrival cds on reverse. Slightly trimmed at right.