The barrel says 45, I'm assuming this model is 45 acp with moon clips? If it's been modified or rechambered to 45 colt, this will bring the price down. The blueing is there but worn, missing the lanyard ring. Don't bother about the holster, it's a good one but not original and doesn't add anything. The grips look original, but had the front sight blade been modified? I believe they where originally half round. Either way, 5-600 would be the top end. Still a nice revolver, i'd keep it and shoot it.