Robert Matthews Coin Authentication
Shopping, Antiques and Collectibles, Coins, Grading Services - Robert Matthews Coin Authentication. Specialises in the scientific examination and authentication of British milled coins.
http://coinauthentication.co.uk/
ANACS Home Page
Shopping, Antiques and Collectibles, Coins, Grading Services - ANACS. A service that renders an opinion on a coin's authenticity and grade.
https://www.anacs.com/