Honor icons like Muhammad Ali and Bruce Lee, and celebrate Valentine's Day and Lunar Year with these new USPS stamps.

A "First-Day of Issue Ceremony" is being held Thursday at noon in Louisville in honor of the stamp's release. It's being held at the Angel's Envy Bourbon Club at UofL's L&N Federal Credit Union Stadium on South Floyd Street. It is free and open to the public. Those wishing to attend are asked to register in advance by clicking here.