Selaginella Upgrade Portable Gold ＆ Silver Coin Tester, Testing Kit with Magnet for Coins, Coin Verification Through Tapping Resonance and Size Comparison for Gold Silver and Platinum

A portable multi-function coin authentication kit for silver and gold coins, featuring ping sound analysis, magnetic response testing, and precise diameter measurement, compatible with leading verification apps for accurate, on-the-go testing.

• Professional Multi-Tool Coin Authentication: Designed for silver and gold coins, this kit combines ping resonance testing, magnetic composition checks, and precise size measurement for reliable multi-factor verification.
• Accurate Ping Sound Analysis: Secure your coin in the included holder, release, and compare the clear resonance against authenticity standards—ideal for detecting fakes with ease.
• Magnetic Response Testing: Includes a gold keychain magnet tester to quickly determine metallic composition—genuine silver and gold show minimal magnetic attraction.
• Precision Diameter Measurement: Use the included measuring card to accurately check your coin’s diameter against certified standards for authenticity verification.
• Portable & App-Compatible: Lightweight design for easy carrying and on-the-go testing. Compatible with Precious Coin Tester, Pingcoin, and Coin Tester apps for advanced analysis.