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PCGS Announces Coin Sniffer™ Process Enhancement to Secure Plus Coin Grading

The Next Step To Improve And Protect the Coin Collecting Hobby

Professional Coin Grading Service (PCGS) today revealed additional steps it is taking to improve its ability to detect altered coins. PCGS announced that it has a process in development which will detect any foreign substance on a coin’s surface.

According to PCGS officials, in conjunction with the development of coin recognition technology launched in March of this year, PCGS has been developing a process to detect foreign materials and other enhancements to a coin’s surfaces.

Using energy dispersive X-ray spectrometry (EDX), Fournier Transform Infra-Red Spectral analysis (FT-IR), Raman Spectroscopy and other similar analytical techniques, this detection process (code-named by PCGS, the PCGS Coin Sniffer™) will analyze the surfaces of a coin in a matter of seconds to detect foreign substances and provide quantitative information about the coin.

“Coin doctors” often apply numerous materials to the surfaces of coins to conceal problems with the coin, and/or alter the surfaces to improve its appearance in an attempt to artificially increase its value. The simultaneous alloy determination will further aid in the detection of counterfeits as an additional benefit.

David Hall, cofounder of PCGS and President of its parent company Collectors Universe, Inc. said, “[w]hen we launched PCGS Secure Plus featuring coin recognition technology we stated that it was just a first step in improving grading and battling coin doctoring. The PCGS Coin Sniffer™ is the next significant development in our ongoing efforts. When combined with our existing PCGS Secure Plus service, this new process will make it extremely difficult for altered coins to go undetected.”

“This new process is somewhat similar to what we often see as we are going through security at an airport,” said Don Willis, PCGS President. “We have already filed a patent which covers the methodology and unique techniques we are using for processing coins. The new PCGS Coin Sniffer™ process will be integrated with the help of our partner CoinSecure, Inc into the PCGS Secure Plus service and will be available at no additional cost. Our targeted production implementation is this year, although we will be conducting live testing much before then.”

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