To help celebrate 50 years of the children's television show, the 16 stamps will feature all your favorites from the show, including Big Bird, Bert & Ernie, Elmo, Cookie Monster and Oscar the Grouch.

The Postal Service honors Sesame Street as one of the most influential and beloved children’s television shows. For the last 50 years, it has provided educational programming and entertainment for generations of children throughout the country and around the world. The stamp art features photographs of 16 Muppets from Sesame Street:
•    Big Bird
•    Ernie
•    Bert
•    Cookie Monster
•    Rosita
•    The Coun
•    Oscar the Grouch
•    Abby Cadabby
•    Herry Monster
•    Julia
•    Guy Smil
•    Snuffleupagus
•    Elmo
•    Telly
•    Grover
•    Zoe

Bert is Ernie's best friend and roommate. The pair shares the basement apartment at 123 Sesame Street. In contrast to the practical-joking, extroverted Ernie, Bert is serious, studious, and tries to make sense of his friend's actions. His own passions include reading Boring Stories, collecting paper clips and bottle caps (especially the rare Figgy Fizz), consuming oatmeal, and studying pigeons. While Ernie's best companion outside of Bert is Rubber Duckie, Bert has his pet pigeon, Bernice. True to his detail-oriented, organized mind, Bert is president of the National Association of W Lovers. Unfortunately for Bert, his nose has come off of his face on a number of occasions. He has a distinctive, bleating laugh.

While Ernie has appeared in many of scenes without Bert, Bert has not been seen without Ernie quite so often. Notable exceptions include the songs "Doin' the Pigeon," "The Subway," "Bert's Blanket," and "Stick Out Your Hand and Say Hello" with Rick Moranis, as well as occasional Muppet/Kid scenes, such as discussing emotions with John John.

Some of Bert's memorable moments include riding with Ernie in a plane in Follow That Bird, and interrupting The Adventures of Elmo in Grouchland whenever it looked like the movie was becoming unsettling.

Bert's extended family includes his identical twin brother salesman Bart, infant nephew Brad, and several unseen relatives, including his Aunt Matilda, Uncle Bart (who gave Bert his first paper clip), and great-great-grandfather Mountain Mike. The album Sesame Street Sing-Along! also refers to Bert's Uncle Louie, who lives on a farm.