First Day Ceremonies - free and open to the public, provide background information on why a stamp is being issued, a free souvenir of the event, and usually an opportunity to get autographs from ceremony participants.

Show Cachets - The APS is offering a special Chris Calle Cachet.  Sold at the APS booth (see image below).  The ATA and AFDCS will also be offering special cachets, so stop by each booth.

Cancels - there are two cancels being offered each day of the show at the USPS (images below)..