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 a safe testing sequence, shows why one-ounce coins can have different total weights, compares electronic methods, and identifies the point at which home checks should stop. It also explains why acid, scratches, drilling, and filing can destroy collectible value without proving the complete coin is authentic.
