It's a nice example, there are 3 other Mathewson's that I know of here's one of the three (not my card).
Mathewson (Dark Cap) YB Scrap.jpg
The previous 3 that i know of are in one of Chris's post in this thread. I'm not sure if the one you posted is one of them.
https://www.net54baseball.com/showthread.php?t=206045