Use of Metallurgy in Coin Identification – Texas Jolas. VIDEO: 2:33

Dr. Garth Clark
Interviewer: David Lisot, ……

Dr. Clark is a medical doctor, a chemical engineer and current president of the Bellaire, Texas Coin Club.

He shares some of his research and the importance in the metallurgical processes used to determine the authenticity of coins especially with Texas Jola copper issues.


Copyright © CoinWeek LLC.

The Greater Houston Coin Club was founded in September 1955, the year known numismatically for the “double die” Lincoln One Cent piece.  It is a not-for-profit, public charitable organization with all proceeds used to promote the education and study of Numismatics. GREATER HOUSTON COIN CLUB.

57th Money Show of the Southwest
George R. Brown Convention Center
1001 Avenida De Las Americas,
Houston, TX 77010

More news and video about coin and paper money collecting at

Related Articles


Please enter your comment!
Please enter your name here

This site uses Akismet to reduce spam. Learn how your comment data is processed.