Found this while broswing the paleontology reddit:
https://arkeonews.net/the-20-million-year-old-fossil-of-a-sea-creature-in-the-ancient-city-of-tyana-may-have-been-used-as-a-means-of-payment/
And I'm also leaving a wikipedia link to the type of fossil found: https://en.wikipedia.org/wiki/Nummulite