David Blau, Inventor,
Interviewer: David Lisot, CoinWeek.com …….
The flood of counterfeit coins entering the market has prompted new concerns about determining the authenticity.
Up until this time the best electronic machine to check the type of metal in a coin cost thousands of dollars.
A new product is on the market that costs substantially less. CoinWeek talks to the inventor of this new device who shows how it works.
Copyright © CoinWeek – Long Beach – June 2014
The Long Beach Coin Expo is the largest coin show on the West Coast and is held three times each year. Over 300 of the world’s most important dealers bring their great coins, currency, stamps, sportscards and other collectibles to every Long Beach show.
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