Abstract
Neutron activation analysis of microgram metal-rubbing samples from over 2,000 Sasanian (Persia: 224-651 AD) silver coins and a few hundred art objects allow grouping the data in terms of the gold-impurity levels. About 1,000 of the silver coins were from the reign of Khusrau ∥ (591-628 AD) and represent various mints and dates. For the early coins, mg gold/100 silver values of less than 0.3 are associated with relatively modern fakes. The authentic coins and authentic silver Sasanian art almost always have values in the range of 0.3-1.0. Questionable ‘Sasanian’ art objects in private collections usually have goldimpurity levels of less than 0.3.
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