“10 Zuz” Silver Hanukkah Gelt — ca. 19th Century from Eastern Europe (Image courtesy of Moreshet Auctions)

FDR dime struck on a nail (stand in for Festivus Pole) (Imaget courtesy of Heritage Auctions)

Reverse of the 2009 Latvia 1 Lat coin with the Christmas Tree on the reverse (Image courtesy of Latvijas Banka via Numista)

1999 Angola 1 kwanza as a stand-in to help celebrate Kwanzaa (Image courtesy of the Currency Wiki)