In early 2022, Daniel Huffman put out a call for participation for a fun project to create trading cards for map projections, and I signed up. I chose to portray the Mollweide projection because it was the first projection I deliberately chose for a map, back in my first cartography class.
The Projection Collection trading cards were released in fall 2022 and trading them was a big hit at the NACIS conference. I managed to collect almost all of them (if you have #6 or #39, please reach out to me).