Brown Satin Western Rodeo Shirt from the 1940s made by Kobey's Rodeo Shirts in Douglas Arizona. I have not heard of the brand before and I live here in Arizona so it must be pretty rare.

SIZE: S

Measurements lying flat
Chest inches 40 (20 inches doubled)
Sleeve inches 33
Cuffs Cuffs are small I have a 6.5 inch wrist and they fit tight anything larger than that they won't fit.
Shoulders inches 16.5
Overall length inches. 28 inches top of collar folded down the back