A jet fist from Spain
The earliest example in our sources is a Spanish pendant of jet carved as a fist, from about 1620–30. Two centuries later, in 1832, Washington Irving mentions a Moorish hand amulet in his Tales of the Alhambra.
To verify: Where the jet fist of about 1620–30 is held, and its museum number; Irving’s exact words in Tales of the Alhambra