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Micro XFR examination of lot 212, Auction LII

Artemide Aste @ 24 set 2019

We have subjected lot 212, Auction LII, to micro X ray fluorescence spectrometry (micro XRF).

The analysis reveals a metal perfectly fitting with ancient metallurgy (see e.g. W. Hollstein: Metallanalytische Untersuchungenan Münzen de Römischen Republik, Berlin, 2000), with spots of strong mineralization.

 

Analized Points:

 

 

In certain areas there are strong mineralizations. For example, in Point 3, a very dark area at the coin edge, one gets, by including Al and Si:

 

Microscope images: striking depletion (left) and stripes (right):