Ivory, China, 19th century. Credit: Brian Dickinson

Limestone Afghanistan, 2nd Millennium BC Credit: Brynn Matthews

Steel, India, 17th century Credit: Emily E. Cady

Chert and Ivory, Alaska, 300-500 AD Credit: Emily Blocher

Water Buffalo horn, East Timor, Indonesia, c. 1905 Credit: Devon Marr

Ceramic, Southwest USA, 700-800 AD Credit: Geoffrey Hedges

Steel and Leather Cameroon, c. 1900 Credit: Molly Sloan

Steel, Brass, and Leather Niger, 20th century Credit: Meghan Pavlovsky

Ivory and Abalone Pacific Northwest, 1880-1940 Credit: Kimberly Robinson

Steel and Boxwood, France, 19th century Credit: Kelly Plevniak

Bronze, Assyria (Lebanon), 2000-1600 BC Credit: Jacob Brady

Silver, Ethiopia, 19-20th century Credit: Hannah Quaintance

Brass, France, 19th Century Credit: Murphy Florman

Jade, Costa Rica, 500 BC – 900 AD Credit: Nicholas Ostness

Bamboo and Iron, Java, Indonesia, 20th century Credit: Rory H. Sklar