The American First Day Cover Society and the USPS will hold a First-Day-of-Sale Ceremony at SESCAL on Saturday September 24 at the Airport Hilton Hotel in Los Angeles at 10:00AM in Catalina C for the new Butterfly Stamp.  With no first day ceremony, this is the premier event for the launch of 68-cent stamp for use on oversize cards.  A signing event is scheduled after the ceremony.