B.Brown American League baseball signed by Koenig across the sweet spot in blue ink. Signature is very strong rating 9 out of 10. Koenig was a key slugger within the New York Yankees "Murderer's Row" line up of the 1920s period. One of, if not the, finest condition grade examples we have encountered. Includes full LOA from JSA: Ball: NM-MT, Signature: MT