Front: 040 VISTA LATERAL DEL HOTEL TIVOLI EN UN DIA DE FIESTA, ANCON, ZONA DEL CANAL. SIDE VIEW OF TIVOLI HOTEL ON A FESTIVAL DAY, ANCON, CANAL ZONE. Back: 1. L. MADURO, JR., 34-46 CATHEDRAL SQUARE. PANAMA. R-79065 FOR MESSAGE ONLY. No. 9.