This isn't definitive proof by any stretch but my dad ran the shop that did design and printing for the first few years for Autry's Angels.
From what I've seen of the type and style of work that Autry preferred, I'd say that the original poster's pennant is definitely PCL, and Andy's pennant a few posts later is Autry.
My dad once told me that Autry definitely had a preference for cartoon character/caricature drawings in the art that was chosen for the early stuff they produced. They'd put together a bunch of proofs using photos and Autry didnt like any of it, ultimately going with cartoonier stuff.
http://www.kevinsavagecards.com/Item...98218a_lg.jpeg
https://i.pinimg.com/236x/75/5b/1b/7...seball-art.jpg
Just two cents...like I said, isn't proof, and I wish my dad were still around - I'd show him and be able to know for sure. But maybe the info will be helpful.