Bert Puppet National Museum of American History

Bert is a hand-rod puppet originally performed by Frank Oz and currently performed by Eric Jacobson. In a hand-rod puppet, like Bert, the performer’s dominant hand goes into the puppet’s head and operates the mouth and sometimes other facial features.

Smithsonian showcases American pop culture in 'Entertainment Nation' - Washington Post

Meet the Muppets National Museum of American History

Ernie Puppet National Museum of American History

The Saga of a World War II Ancestor of Miss Piggy, Bert and Yoda - The New York Times

Muppets Ernie, Elmo and Bert on display at a special National Museum News Photo - Getty Images

Muppets creator Henson's items head to NYC museum - The San Diego Union-Tribune

5/31/1975 – 'Ernie and Bert open at the Smithsonian in exhibit “We the People”.

Engage in the Colorful World of Jim Henson in Baltimore » Maryland Road Trips

The Smithsonian Institution, Muppet Wiki

The Muppets Take the Smithsonian, Arts & Culture

Bert sesame street hi-res stock photography and images - Alamy