CoinWeek: Precious Metal Verifier Available to Help Determine

Coin Grading - A Basic Guide to Detecting Doctored Gold Coins

Errors & Varieties: The Popular Off-Center Strike

My Review & Testing of the Sigma Metalytics Gold & Silver Verifier

Jeff Garrett: The Art of Submitting Rare Coins for Grading

Errors & Varieties

Original Sigma Precious Metal Verifier Tutorial Videos

An Exclusive Interview with the Germania Mint

Coin Collecting

The Basics of Numismatic (Collectible) Coins - dummies

CoinWeek Coin collecting news, articles and videos

Secondary Market Values for 25th Anniversary Silver Eagle Sets Expected to Rise

Mining and Metals Du Jour Message Board

Precious Metal Verifier Available to Help Determine Genuine Gold & Silver Items. VIDEO: 4:17

How can I check a slabbed coin is genuine? - Gold - The Silver Forum