K4KD 1934 Puerto Rico

"Ma" Mayer, KP4KD
The top DXCC member in Porto Rico (early spelling) since the awards inception.

Started in Illinois in 1912, 4KD in early 1925, then K4KD in 1927

Photo from Don Chesser DX Bulletin #60, Jan. 27, 1959

QSL courtesy of F6BLK