PREHISTORIC LIFE: MAMENCHISAURUS BULLION (2020,)
Sneaking in just before Christmas, the third Prehistoric Life bullion coin has been added to the range just a month after the Plesiosaurus debuted. We're heading to sauropod territory this time with a species found in China that possessed a quite epic neck.Living during a part of the Jurassic Period, from 160-145 mya, the largest species reached [...]