Doody, welcome to Coltforum!
The photos are a bit dark, but yours is a pre-WWII Colt Officer's Model, a very fine revolver, and one that is rapidly escalating in value. It is almost certainly quite accurate, with an excellent trigger pull. It appears to be wearing the correct, original service style checkered stocks with inlaid Colt medallions.
Please accept my condolences on your Dad's passing. That makes your Colt a family heirloom, and I encourage you to keep in in your family, passing it down the generations in your family whenever you are aged out, hopefully not soon.
The photos are a bit dark, but yours is a pre-WWII Colt Officer's Model, a very fine revolver, and one that is rapidly escalating in value. It is almost certainly quite accurate, with an excellent trigger pull. It appears to be wearing the correct, original service style checkered stocks with inlaid Colt medallions.
Please accept my condolences on your Dad's passing. That makes your Colt a family heirloom, and I encourage you to keep in in your family, passing it down the generations in your family whenever you are aged out, hopefully not soon.