Thank you Gary for heads up on this memorabilia forum thread, I don't visit very frequently.
When Saco River auctioned off a number of Goodwin negatives in 2015 I took great interest, booked a trip to study each and every one while also bidding on several. The Bobby Mathews negatives have remarkable clarity and I wrote about the collection in detail back in 2015 here:
https://www.net54baseball.com/showthread.php?t=200961
If you take a look at
post #22 I go into some detail on the early Louisville Slugger bat. Enjoy !!