The picture shows this Large Old Advertising Hopalong Cassidy PinbackButton. This pin or badge is imprinted in red and black on a white celluloid background. There are two union marks on the edge. It is believed to be an original. It pictures Hoppy and is marked as follows:
HOPALONG CASSIDY IN THE BOSTON TRAVELER
The pin measures 2" wide. It is bright and clean and appears to be in near mint condition.