Now, researchers in the US and South Korea have used a neutron beam to differentiate between genuine antique coins and fakes.

You're looking for a 2016 obverse [heads side] dated coin with 2017 micro engraving on the reverse. The micro-engraving is so small, you may need a microscope." Article continues below The ...

You're looking for a 2016 obverse [heads side] dated coin with 2017 micro micro-engraving on the reverse. Article continues below “The micro-engraving is so small, you may need a microscope.” ...