W7CEC 1933 Everett, Washington

Operator: Lee H. Machin, W7CEC and W7ZZX, later W7DF, was born May 19, 1899 and became  a Silent Key February 17, 1973.
Portable call: W7ZZX

Portable calls were issued by the FCC between 1930 - 1933.

QSL & Portable info courtesy of NL7XM
Info courtesy of W5KNE