Story highlightsManny Pacquiao will fight Floyd Mayweather on Sunday, May 2Highly anticipated fight will be watched by millions worldwideSeveral days ago, the national postal service http://www.ringside.com/ in the Philippines issued special commemorative stamps featuring the country's most famous pugilist, Manny "the Pacman" Pacquiao.
"This stamp is selling like hotcakes," said Evelyn Jacala, postmaster at a post office in downtown Manila.
The stamp shows the athlete, bare-chested and armed with red boxing gloves and his trademark goatee. A caption calls him the "People's Champ."
"Manny Pacquiao is the first Filipino athlete to be