You searched for: “anaglyphile
anaglyphile (s) (noun), anaglyphiles (pl)
A person who has an partiality for collecting medallions; a collector of medallions: Tim's sister seemed to be an anaglyphile because she certainly had a large collection of medals and ribbons!

Tim's uncle wanted to find as many old Greek coins, but that seemed to more difficult than he though! So his hope of becoming an anaglyphile didn't come true.