Coin Authentication

Gold coin on a professional nondestructive authentication bench with scale, caliper, loupe, and verifier

How to Test Gold Coins | Safe Checks, Red Flags, and Professional Verification

A reliable gold coin test combines official mint specifications, calibrated weight and dimension checks, design inspection, magnet screening, provenance, and professional escalation. This guide explains… Read More »How to Test Gold Coins | Safe Checks, Red Flags, and Professional Verification

United States Jefferson nickel on a calibrated digital scale reading 5.000 grams

How Much Does a Nickel Weigh? Official Specs and Tolerance

A U.S. nickel has a nominal weight of 5.00 grams. Check official dimensions, composition, legal tolerance, wartime nickels, scale accuracy, and what an unusual reading… Read More »How Much Does a Nickel Weigh? Official Specs and Tolerance