Saturday afternoon and I'm working on my U.S. collection. Certain issues appeal to me... especially when I come across a First Day Cover. Here's one for the joint issue with France for the 100th Anniversary of the Statue of Liberty:

This is what is called a PNC... not plate number coil, but the original term for a Philatelic-Numistmatic Cover. Note the U.S. coin in the FDC.
David