For Professional Collectors: The Coin Acoustic Verifier generates clear resonant frequencies for advanced coin authentication. Paired with precision calipers that measure diameter against certified standards, this system validates coins from 1/10 oz troy to 10 oz troy with high accuracy. Coin Tester Kit: A comprehensive toolset designed to authenticate silver and gold coins using advanced resonance testing. This kit is compatible with standard verification methods and provides reliable multi-factor assessment of a coins authenticity. Ideal for collectors and dealers, it supports consistent evaluation across various coin types. For comprehensive coin authentication: Secure your silver coin in the included holder for resonance analysisthe sound profile helps identify key authenticity indicators. Use the magnetic test feature to assess metallic composition; genuine silver shows minimal magnetic response. System Compatibility: This device works with common numismatic analysis tools and software platforms, supporting detailed examination and documentation features for thorough authentication reporting. Metal Acoustic Tester: A portable solution for verifying gold and silver coins. Place the coin in the testing chamber and release for quick analysis. The compact carrying case (4 inches x 5 inches) fits in most pockets, enabling professional-level verification on the go. Color: As shown Material: Metal Package Contents: 1 set * Gold testing kit Note: Light reflection and display differences may cause slight variations between the product color in images and the actual item. Measurement error allowance: +/- 1-3 cm.