QSL Card W6BIY, San Francisco to Redfield, 1937

This is a QSL card from 1937, sent from San Francisco, California to Redfield, South Dakota. The front of the card features bold lettering 'W6BIY' with an American flag graphic, indicating it was used for amateur radio communication. The card includes detailed radio transmission information, such as QSA, R, and tone quality, along with personal remarks and operator details.

The back of the card shows a clear postmark from San Francisco, dated July 12, 1937, at 5:30 PM. It is addressed to Radio W9FOQ in Redfield, South Dakota. The card is franked with a green one-cent stamp featuring Benjamin Franklin. The card is in good condition, with some minor discoloration and wear typical of its age.