Gold and Silver Identification Technology
金银鉴定技术
0.0 (0)1993-01-012h 30m
Documentary
Overview
A 1993-made China's videotape help you to become an expert to identify real gold and silver. There are six parts of this video: 1. Appraisal skills and methods of using tools (29 min.) 2. Gold identification method (55 min.) 3. Silver identification method (22 min.) 4. Silver dollar and silver coin identification method (18 min.) 5. Improvement and development of identification technology (16 min.) 6. Introduction to some gold and silver coins in ancient and modern China (16 min.)
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