Indian states - Mewar - Rupee - Silver content?

Hello,
Is anyone aware of the silver content of Mewar Series 1985(1928) rupees?
https://en.numista.com/catalogue/pieces36677.html
https://en.numista.com/catalogue/pieces14064.html
https://en.numista.com/catalogue/pieces14063.html
https://en.numista.com/catalogue/pieces14062.html
https://en.numista.com/catalogue/pieces14061.html

I don't see that information listed in any of the guides. You might try going to a jewelry store and asking them if they can analyze the purity. Ask them if they have equipment such as:
http://www.spectro.com/industries/metal-testing-analysis/precious-metal-testing-analysis?gclid=CL3qg_m448sCFcNkhgodInQPww

Quote: "Steve27"​I don't see that information listed in any of the guides. You might try going to a jewelry store and asking them if they can analyze the purity. Ask them if they have equipment such as:
​http://www.spectro.com/industries/metal-testing-analysis/precious-metal-testing-analysis?gclid=CL3qg_m448sCFcNkhgodInQPww
​

​I could not find the information listed either
I was hoping that someone might have done the procedure or somehow had the relevant knowledge..
Thank you very much for your answer!