A well worn penny I found in my work till today.Submitted by jarvistheandroid t3_z85ira in mildlyinteresting
Siryl7001 t1_iyb1dr8 wrote
Reply to comment by Ankkdeyul2008 in A well worn penny I found in my work till today. by jarvistheandroid
Verdigris? That's a blue-green tarnish from copper reacting with the environment. I'm pretty sure the picture instead shows exposed zinc where copper plating was worn away.
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