Issue 13 of Robert Matthews' Counterfeit Coin Newsletter is available on his web site. It includes short coverage of a 2009 'hoard' of late Roman bronze, then ten most expensive counterfeits authenticated by PCGS, Turkish tourist fakes, and as usual coverage of fake UK 1 pound coins.
(There is also a nice photo of an ornamental vase made of old coins the author saw on holiday in the Ukraine.)
Newton and the Counterfeiter is briefly reviewed, as well as scientific papers on "Using the optical mouse sensor as a two-euro counterfeit coin detector" and "Laser and electron beams physical analysis applied to the comparison between two silver tetradrachm Greek coins".
Nomisma measurement analysis interface ready for wider testing - I have been working on and off for the last month or two on a new quantitative analysis feature in Nomisma, which is available on pages for certain types o...
1 week ago