This is a vintage collectible metal keychain featuring the seal of Chatfield, Minnesota.
The keychain has a silver-tone finish with an enamel-filled seal.
The text on the seal reads "CHATFIELD. MINN." and part of "THE STATE OF MINNESOTA 1850."
It appears to be a souvenir item, likely from the mid-to-late 20th century, though its exact age and material are unknown.
The item is attached to a snake-chain link and a split ring for keys.