Counterfeit Detection: A Field Guide for Buyers Without a Lab
You do not need an XRF machine to spot 95% of counterfeit bullion. A scale, calipers, magnet, and a good ear catch the vast majority of fakes.
You do not need an XRF machine to spot 95% of counterfeit bullion. A scale, calipers, magnet, and a good ear catch the vast majority of fakes.
A numismatic premium is the price above melt that a coin commands due to rarity, condition, history, or demand. Here is how to evaluate whether a premium is justified.
The Sheldon scale runs from 1 to 70, but the meaningful grading distinctions sit in a much narrower band. Here is what each number really represents.
Pre-1933 US gold coins occupy a strange middle ground between bullion and numismatics. Here is when the premium is justified and when it is just dealer marketing.
British sovereigns are among the most counterfeited gold coins in the world. Here are the specific checks that separate a genuine 7.98g sovereign from a dangerous fake.
Both are 0.9999 fine, both come from major mints, and both trade at similar premiums. The differences come down to security features, tax status, and design philosophy.
Before 1967, there was no such thing as a modern bullion coin. The Krugerrand invented the category and remains the cheapest legal gold coin in the world.