The global market for rare coins and precious metal bullion is larger and more accessible than ever before. Unfortunately, this growth has been accompanied by a rise in increasingly sophisticated counterfeit coins. While high-end counterfeit operations use advanced metallurgy to fool unsuspecting buyers, the vast majority of fake coins circulating on secondary markets can be identified using basic principles of physics, simple tools, and careful observation. next...
A coin (or note) made outside the relevant issuing authority to cheat someone, although it may well have the same metal content as the original. next...