Classical Numismatics Discussion
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Author Topic: Help Stone coins  (Read 7366 times)

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Offline Tanit

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Re: Help Stone coins
« Reply #25 on: April 10, 2019, 06:24:00 am »
Quote from: v-drome on April 09, 2019, 02:58:07 pm
What kind of acid did you use?  To me these look like the natural product of a marine geological environment.  If there is no wear on the edges, they were not used as cutting blades.
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Offline Tanit

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Re: Help Stone coins
« Reply #26 on: April 10, 2019, 06:35:30 pm »
 
They are probably Nummulites . :)

 

" The ancient Egyptians used nummulite shells as coins and the pyramids were constructed using limestone that contained nummulites.[4][5] It is not surprising then that the name "Nummulites" is a diminutive form of the Latin nummulus meaning "little coin", a reference to their shape. "  -
https://en.wikipedia.org/wiki/Nummulite
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