Pakistan, Jan. 13 -- Now, the three-time heavyweight champion's quip is becoming reality. Widely regarded as the most famous and influential boxer of all time, and a cultural force who fused athletic brilliance with political conviction and showmanship, Ali is being honored for the first time with a commemorative U.S. postage stamp.

"As sort of the guardian of his legacy, I'm thrilled. I'm excited. I'm ecstatic," Lonnie Ali, the champ's wife of nearly 30 years, told The Associated Press. "Because people, every time they look at that stamp, they will remember him. And he will be in the forefront of their consciousness. And, for me, that's a thrill."

Muhammad Ali died in 2016 at the age of 74 after living with Parkinson's disease for more...