Here is an original Model 1881. Just buy that one. only $950!http://www.ebay.com/itm/MODEL-1881-U-S-CAVALRY-HOLSTER-/310355315567?pt=LH_DefaultDomain_0&hash=item48429e4b6f
Get ahold of Jim Barnard aka Trailrider of Trailrider products. He is a member of this forum and GAF and builds extremely excellent and authentic frontier military leather.
That original is a nice one and I'd say worth the money, but too nice to use much.
Here is the Captain's holster.
its ok suppose