Nice. He has always been a great signer from what I understand. Have never sent anything, so maybe I should just to say I did! I got him on a 1954 Red Heart at the 2001 Fan Fest, but it was done by someone else. I was working the event (for the free pass volunteers got when they were not working) and it happened that it was the time he was signing. Still, I was not present, but it was signed that day so no concerns about it's authenticity.
I am pretty sure I have all of his cards signed already though, at least the vintage ones.
Al Worthington on a 1960 Topps card, signed in blue sharpie, sent to his home on 11/20/20. He added everything else....larger item was a copy of the Saturday Evening Post article about him from 5/2/64.
12070 Highway 55 Sterrett, AL. 35147