This is a Tagua Belt Holster known as the TX 1836, model TX-BH1-1010.
The TX 1836 holster has a true multi-fit design with double-stitching for added durability. Handcrafted from premium high-quality leather" it is perfectly shaped and molded to the gun.
Features:
Reinforced thumb break for positive snap release
Rides at a forward angle to optimize the position for most of the larger guns