Mastodon tooth found in donation box at Michigan charity

foxnews.com - GRAND RAPIDS, Mich. – A Michigan charity that typically receives donated clothing and other used items for low-income residents recently received something really old — a mastodon tooth.The remains of the extinct relative of the elephant were found in a donation box during a July pickup in Grand Rapids. The tooth fragments and tusk are believed to be anywhere from 12,000 to 15,000 years old and will be given by the Christian charity, In The Image, to the Grand Rapid Public Museum to add to its collection.