3x2 Vintage card signed in black fountain pen by Frank B. Kellogg. In great condition. 

(1856-1937) Frank Billings Kellogg was an American lawyer, politician, and statesman who served in the U.S. Senate and as U.S. Secretary of State. He co-authored the Kellogg–Briand Pact, for which he was awarded the Nobel Peace Prize in 1929.