the one that i have is n560713..pretty close to the end of them? im no expert but i would have to call it a very nice shooter..(no box) not perfect..very few little spots on the right side..all ive done is wipe it down with an oil impregnated remington towel..was more into getting the bore and chambers clean..i didnt know it was a collectible..i bet someone who knows more then me could polish that thing like new..i just want to get my kimber paid off..i need 700 buks to pick it up..im really into the1911 thing..i own 12 of them in every size