Resistol 4X Beaver Skin Cowboy Hat for $5 at a church. Apparently these are super expensive, but I can't find an accurate price online. : r/ThriftStoreHauls
Vintage 4X Beaver Chocolate Brown or Mink Resistol Western - Etsy Australia
4X Beaver Cowboy Hat Vintage Resistol Self Conforming Made in - Etsy Australia
Vintage Resistol QUICKSILVER 4X Beaver Cowboy Hat 7 1/8 L Color Granite Gray | eBay
Stetson 4X Beaver Silverbelly Western Cowboy Hat - YouTube
1970's Vintage Stetson 4 x Beaver Wool Felt Cowboy Hat Feathers Small – Phoenix Menswear