Estados Unidos
Automatically generated translation
Yvert 977, 816, 939. 1973. 8 cents black, blue and red, 1 cent green and 8 cents black on salmon. WASHIGTON to SANTIAGO DE CUBA, returned to the sender by not allowing its circulation to Cuba, applying marks RETURNED BY / CUBA MAY 74 / REFUSED PROHIB, in purple and text in French indicating the reason. MAGNIFICENT AND RARE.