coins showing bubbles in glass water test (General)
by shoaib 
, Friday, July 30, 2010, 06:11 (5214 days ago)
what is further procedure when a coin shows bubbles in glass water test,my few coins are showing silvery bubbles when i pour it in glass of water,ex:one rupee coin of 1991 with star mint,rice is sticking the coin for a second ,please guide me in right way .shoaibbasha@gmail.com,9881259618
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shoaib,
2010-07-30, 06:11
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