When preparing to sell your gold coins, verifying authenticity is one of the most important steps. Failing to confirm that a coin is genuine can lead to undervaluation or being turned away by buyers. Fortunately, there are several practical ways to verify a coin’s legitimacy. Taking time to examine the coin can help avoid mistakes and give you more control during the sale.

Basic methods to confirm authenticity include:

• Check for known markings – Look for mint marks, dates, and other identifiable features using a magnifier or loupe.
• Use a scale and caliper – Weigh the coin and measure its diameter to compare against official specs for that coin type.
• Inspect for tampering – Any sign of filing, smoothing, or inconsistent color may indicate the coin was altered or plated.

Advanced techniques used by dealers:

• Magnet test – Real gold isn’t magnetic. If your coin sticks to a magnet, it’s likely not real gold.
• Acid testing kits – These use chemicals to test purity but should only be handled by someone experienced.
• Electronic gold testers – These handheld devices provide fast purity readings and are common in professional settings.

If you’re working with a gold coin dealer Dearborn sellers trust, they’ll usually have tools on hand to assess your items. Verifying the authenticity before selling helps ensure you get a fair offer and avoids disputes later. It also shows the buyer that you're serious and prepared, which can build trust.

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