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".
SPARQL-derived IIIF Manifests for Coin Types - Building on Numishare's new IIIF manifest functionality, I have extended this feature to support the generation of a manifest for the IIIF resources for ph...
6 days ago