Turning copper coins into 'silver' and 'gold', Experiment

Perform what looks like alchemy with ordinary copper coins in this teacher demonstration. Includes kit list and safety instructions.

Study: Euro coins have antimicrobial activity, in contrast to banknotes

Chinese scientists turn copper into 'gold

How to Make Gold Pennies - Steve Spangler

Counterfeit Gold Coins Filled With Platinum: Hollow Gold

Gold and Silver Is Real Money by the US Constitution - Midas Gold Group

Chemistry Experiments With Pennies

It's not fancy chemistry but the kids like it. (“Gold” Pennies) : r/chemistry

From gold and silver coins to paper money : the History of Money - Orobel

Copper and Coin Silver have similar magnetic properties. These Copper

What Are Off-Metal Coins? - Grand Rapids Coins

Make Golden Coins (really Easy) : 6 Steps (with Pictures) - Instructables

Gold' coins on a microscale, 14–16 years, Experiment

What Color is Your Copper Coin? - Grading Them

From gold and silver coins to paper money : the History of Money - Orobel