Cover with printed 'D. Villalba Roblis & Hijos, Botica del Carmen, Importacion - Exportacion, PAMPATAR - MARGARITA' company imprint on front (Pampatar is a small village on the island of Margarita) franked with 1938 25c light blue (SG 511) tied by superb strike of boxed 'K.N.S.M. S.S. STUYVESANT' ship marking in black dated 12 MEI 1938. Addressed to USA.