The cache is not at the posted coordinates.
I love mermaids, so making a geoart as a mermaid tail sounded like a perfect idea to me. I went to a few of my mermaid friends with the idea, and they loved it. Some of them were even willing to let me name some after them. This one is named after Mermaid Mayme.

To solve the coordinates for this one, you need to answer the following question. What was the first year the American Penny was minted?
- 1793 (N 41° 11.744 W 088° 29.501)
- 1800 (N 41° 11.723 W 088° 27.501)
- 1777 (N 41° 11.623 W 088° 28.501)
- 1790 (N 41° 11.711 W 088° 29.111)