New Method Checks Authenticity of Rare Postage Stamps
This image shows the Penny Black, the first postage stamp in the world. A team of researchers reporting in the journal Analytical Chemistry has developed an innovative complex method for verifying the authenticity and rooting out fakes of what may be the smallest and most valuable pieces of paper. Does anyone know if the test is being widely accepted?
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jobinjoze@gmail.com
2016-06-23 03:43:14
PlasticMan91
2015-07-06 15:02:42