Another Possible Islamic Coin Needing ID And A General Question.

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Author	Replies: 4 / Views: 540
David Graham Pillar of the Community Australia 1616 Posts	Posted 01/12/2023 1:59 pm Hi all, Thanks again for help with IDs on the previous coins. I have another coin that I suspect is islamic but not 100% certain. Also, as a rough estimate, on coins of that age, what tolerance was there for weight differences? Am never sure when searching zeno what figure above and below the actual weight should be entered. I want to limit the results but not exclude a potential target. Thanks Weight - 3.61g Diam. 13.6-14.2mm Comp = copper Report this Post to the Staff

andyg Pillar of the Community United Kingdom 1323 Posts	Posted 01/12/2023 5:39 pm This is Sultans of Delhi, D450 - 3.6g - "Coin of 32 rati" Similar to D448 a Tanka (9g) if no pictures on Zeno again. The last three posted have been more unusual types, which is probably why there are few pictures of them, rather than the weight being out of tolerance. Edited by andyg 01/12/2023 5:40 pm Report this Post to the Staff
Seeker55 Pillar of the Community United States 635 Posts	Posted 01/12/2023 6:12 pm Good ID, andyg For medieval Indian coins, I generally search Zeno with a tolerance of plus or minus 0.2 grams. If there are no relevant hits, this could be expanded up to maybe 0.5 g. If there are too many hits, this could be tightened to 0.1 g. Edited by Seeker55 01/12/2023 6:14 pm Report this Post to the Staff
Sap Moderator Australia 16849 Posts	Posted 01/12/2023 6:34 pm As for the general question, there was generally more tight weight control on gold and silver coins (and in the case of Dehli, billon as well) than for coppers. In the earlier Islamic series, the weight and fineness of the gold dinar and the weight of silver in the dirham were fixed by Sharia law, so they only changed when the caliphate faced dire economic circumstances. There were no regulations concerning the weight or composition of the copper fulus. Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis Report this Post to the Staff
David Graham Pillar of the Community Australia 1616 Posts	Posted 01/13/2023 1:39 pm Thanks Seeker55, Sap and AndyG for the answers and coin ID! I will probably have a few more over the next few days if the coin ID gods are smiling upon me! Report this Post to the Staff
	Replies: 4 / Views: 540

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