Pi Day #piday is of course March 14th (or 3.14 [3/14], or “π”) followed shortly by the Whitman Coin Show in Baltimore and Spring! I've been busy making a sub type signature set of my series 1882 Nationals.
My 1882 sub types set is a work in progress. Ever seen the Circus Poster variety on a $5 Brown Back?? Take a look. If I'm missing a better way to designate these notes, please let me know.
OK, back to Pi Day. Check out this Elk City note from Oklahoma with a charter date of... you guessed it, Pi Day! It sports a nice 4 digit radar serial number as well and was previously in the Douglas Knight Collection. Then there's my Bangor, PA note, also a Pi Day charter and a solid 8 Serial Number.
Perhaps I'll see ya in Charm City.