This is a S&W M1917 Revolver, produced in 1918. It comes with a Milwaukee Saddlery Holster that was produced in 1944 and an assortment of .45ACP half-moon clips.
It's in overall good shape, has been cleaned and oiled fairly regularly and has a bright shiny barrel with solid grooves.
If you interested, feel free to TEXT me at (281) 409-1368
I'm located near downtown Houston, but willing to drive out to meet.