I am curious as to the authenticity of these two Koufax autos.
The background is that these were obtained by a 10 year old boy back in 1962 or 63 as he had a habit of sending cards for autographs. He received these back and kept them in his top drawer and forgot all about them. (I know the guy so I know this to be true). I am just curious to see if these are authentic of clubhouse.
The 61 Topps card is the card he sent and he received both his card and the team issued postcard back.
Thanks in advance.
