Ali's widow Lonnie Ali spoke at a ceremony honoring the late boxing champion.
USPS honors boxing legend Muhammad Ali with Forever stamps, celebrating his legacy as a champion and civil rights activist.
On Wednesday, it will be 50 years since Muhammad Ali caused a seismic shock that still reverberates through the sporting world, on grainy color tape and on the pages of magazines that have since faded ...
Artist Antonio Alcala gets the stamp of approval for his new USPS postage stamp.