Coin identify and value guide

the image shows core samples of rock strata taken from three different regions on earth all the fossils shown in the image are index fossils identify the youngest layer and the oldest layer 47785

Hong Kong's first dinosaur fossils, likely from large dinosaur, go on display

The mystery of a trove of dinosaur fossils in China

Should private collectors be allowed to own dinosaur fossils? Sale of 'Apex' renews debate