John Lennon's iconic round glasses and shaggy 1970s mane will now adorn a U.S. stamp. Lennon's widow, Yoko Ono, and their son, Sean Lennon, were in New York City's Central Park last week to celebrate the U.S. Postal Service's release of a stamp honoring John. Hundreds of Beatles fans gathered for the event. The commemorative stamp features a photo of Lennon taken in 1974 on the roof of his Manhattan apartment building by photographer Bob Gruen, who also spoke at the event. The stamp is designed to look like a 45-rpm record sleeve. What Beatles memorabilia do you have? What other artist do you think should have their own commemorative stamp? What's your favorite John Lennon song?