CM2AZ 1940 Cuba

The operator was James Connor Blume, Jr.
U.S. Navy, veteran of World War II, ex-4WU, later W1ILW (U.S. Naval Station, Cape May, Maine) , W4BYH, W6OKD, NY1AB (U.S. Naval Radio Station, Panama), N3AST and possibly more.
Silent Key (1908-2000).

QSL courtesy of W2HRT
Info courtesy of W5KNE