A green background with white text. In the center is a brown bear-like muppet holding a tennis racquet in one hand and tossing two tennis balls into the air with another
Hallmark $2.00 Hallmark Cards Inc. Made in U.S.A. 200LP-463-1
One of Jim Henson's Muppets, Rowlf the Dog, appears on this Hallmark Cards collector pinback button from 1980. The button series featured Kermit the Frog and Miss Piggy as well as other Muppets, and were made with cardboard inserts that could be used as a stand to display the button.
Rowlf the Dog first hit the television scene in Purina Dog Chow commercials in 1962, appeared in The Jimmy Dean Show from 1963-1966, and was the piano player on The Muppet Show.