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Message:: [QUOTE="Finn235, post: 3251993, member: 98035"][USER=93303]@ewc[/USER] Are you referring to the "Dravya Pariksha" by chance? I was sent some scans of the relevant chapter of Deyell, and I'm not sure enough coins have been analyzed to try to make any firm attributions. Maheshwari ran XRF on a lot of his coins, but seems to have been less than interested in analyzing the debasement of the Gadhaiya coins, as he only analyzed a handful. Interestingly, his examples ranged from a hair over 90% fine to about 40%. It's worth noting:1) Using Rome as an example, debasement is not always unidirectional; just look at Domitian who raised the purity of the denarius back to Republican era levels.2) It's generally assumed that these coins were trade coins; as such, many issues may in fact be imitations which wouldn't apply to the purported mapping of net silver weight to Chaulukyan kings. I've been trying with no luck to find an economical way to have some of my coins XRF tested. My LCS has a machine, but refuses to use it on anything except US coins and bullion, even when I offered to pay a fee per test ran.[/QUOTE]