Prehistoric Ban Chiang culture stone collared bangle/ bracelet ornament

Here is  anexcavated white stone  bangle found from  a tomb, from  Ban Chiang culture, Thailand,   

Date :  500-100 BC

condition : used,  good.   Look attractive  with silver decroration (do after excavated) and have a raised edge round the hole( low collared)  

size: dia. 4 inch, thick= 5 mm.  

buy it now $500( paypal)