9WT 1921 St. Louis, Missouri

This is a "I heard you card," not a QSL. The operator was Kent Ravenscroft, 9WT during the years 1920-23, then later W0MU.
He was born November 12, 1905 in Denver, Colorado and became a Silent Key in November 1978 in Missouri.

QSL from the estate of W5KC
QSL, Info courtesy of W5KNE