I don't no much about 1911s but ran into this one at a local gunshop. If it turns out to be something desirable, I may purchase it. It has a number of marks on it that I can't identify. I know that it has been refinished, but the gun appears to be in overall decent condition. Can you help me out with this one by identifying it ? The gunshop is asking $ 1,200 for it. Thanks