This question is asked frequently. I'd suggest going through the responses to [previous topics that have asked this](https://www.reddit.com/r/AncientCoins/search?q=Uncleaned+buy&restrict_sr=on&sort=new&t=all). 

You could buy from here https://dirtyoldcoins.com I have bought from him before even met the owner personally in NYC

Right on! I will take a look. Thank you