When I first started collecting coins back in 1967, I didn’t have much interest extending my collecting to currency; but I did come across a few $1 Silver Certificates with their distinctive blue seals that I saved.  I do recall wanting to find a Gold Certificate, but they were impossible to locate in circulation by the late 1960’s.  Fast forward to January 2010, and I decided to buy a 1928 $20 Gold Certificate; and upon doing a little research found a whole universe of interesting U.S. Currency notes with fascinating stories, which led to the following collection.