I was just looking around at the stuff my personal favorite leather holster company. Kirkpatrickleather.com.
I been using their holster for about 20 years. The 1911 models and mag and flashlight pouches. They look great, are hand made and last a very long time. I noticed he now has OWB holsters for the Colt Python.
I like Kirkpatrick holsters and leather work a lot. I give them my highest seal of approval. If you are looking for a leather holster, give them a serious look.