According to the Secret Service’s Web site, you CAN use photographs, printed illustrations, motion picture or slides of United States coins for any purpose. The Central Bank Counterfeit Deterrence Group’s Web site has the full list of regulations for United States currency, as well as currency reproduction guidelines for about 30 other countries on its Web site.

https://gadgetwise.blogs.nytimes.com/2010/05/17/q-a-images-of-money/

So if you would like me to enter that one as a possibility, for you, then I will, if you like? Just let me know.