Mammoth Ivory in Riker Box

Fossil Ivory of the Four-tusker Mastodon (Gomphotherium Osborni) from the Miocene era. Comes in Riker box with information card.
Valentine Formation, Niobrara River, Western Nebraska

Size: Specimen: 5.75" x 1.25" x 1.4"
Display Box: 8.25" x 6.25" x 2.25"