I don't know much about guns but I was cleaning out my Fathers basement and found a gun my Grandfather brought back from when he was stationed in Italy in WW2. It looks to be a German Luger. On top it has in scrolly letters WML all parts say 58, has 1921 on top and n. 9858 on it. It is very clean, my father said he had it professionally cleaned about 10 years ago. Also has two clips one that looks original and an extra that does not but fits the gun. It is a 9mm from what I can tell, I've been scouring the comments etc. so I'm trying to educate myself quickly. I'm looking to sell this gun as I dont really use guns or anything. Can anyone help with information.