Found old ring, need help with age and best way to clean it

[testing123]

Got back to a place that's yielded relics from the 1700s to today. The area the ring was found had a higher concentration of the older objects. I'm thinking that the ring is brass? Want to clean it, but not sure of the best way. Maybe just a dry toothbrush? Based on the initial images, is there any way to guess its age?

8/05/13. Updated pics of the ring... only brushed with a dry toothbrush. Doesn't look like it'd be able to take too much abuse. Looking forward to any input on age!

 

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[jeweler21]

Can't make out the design. The age would be hard determine. The round shank is unusual. Do you have a form of electro cleaning available? Old rings were often 9K and the appearance of it could be consistent with that.

 

[jewelerguy]

cool ring. looks very old. If it were me, I'd use warm water, soap, and a soft toothbrush

 

[testing123]

Thanks guys! Will see if anyone else has any input before I try cleaning it

 

[okerraine]

Very cool ring. Not 100% positive but It looks to be a brass or copper trade ring from mid late 1700's. Congrats

 

[testing123]

Updated pics of ring in 1st post... hopefully these are better!