The thing is that the technology to detect it is already getting cheaper.
On TV I saw a show by the twins from antiques roadshow. One item they needed to know if it was ancient chineese bronze or new stuff. So they got out the portable spectrograph! Results in about as much time as it takes to scan a card and no tiny sample to destroy.
A friend of mine worked building spectrographs years ago, and I knew they were expensive. So I did some looking, and a setup like they used on TV was only $30,000 instead of the mid 6 figure and up prices I recall.
If a high grade Wagner was found having the spectrograph results would be cheap considering the price.
Steve B
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