How do we Reliably Identify Copies in Fourth Century Britain from AD 330-331? (Naomi Rubinstein, University of Liverpool)

1:00pm - 2:00pm / Thursday 7th May 2020 / Venue: Seminar room 6, Rendall Building
Type: Seminar / Category: Department
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Previously this research has relied on visual identification, but this method is inherently biased and in cases of high corrosion even more difficult. Past work has established that chemical identification is more accurate than visual identification. These methods have been largely destructive. The method being used in this work makes use of non-destructive surface analyses using pXRF to identify copies within a hoard. These readings are than run through a cluster analyses and Microwave Plasma Atomic Emission Spectroscopy(MP-AES) is used on a small percentage of coins to validate found clusters.

This method removes visual bias and hopes to look at the distribution of copies within a hoard with intent of looking at regional patterns in hoards. The aims of this work are as follows:

• To rigorously test this method in a range of burial environments.
• To identify the role environment plays in the detection of copies by this method.
• This study also hopes to examine the following questions;
• Do types of copies differ between sites? (military vs civilian)
• What percentage of coins catalogued in each hoard are copies? How does this compare to previous identification through visual means?

This event is part of the Work in Progress Seminar Series.