Front: 100 SEIS CAZA SUBMARINOS AMERICANOS EN LAS EXCLUSAS DE GATUN, CANAL DE PANAMA. R* *** U.S. SUBMARINE CHASERS BEING LOCKED AT GATUN, PANAMA CANAL. 1 Back: 1. L. MADURO. JR., 34-46 CATHEDRAL SQUARE, PANAMA FOR MESSAGE ONLY. R 80934 Jr TWO CENTS