Description
USPS Commemorative Panel, No. 482 in a series, American Commemoratives, Scott #3064a (#3061-#3064) 32c Pioneers of Communication stamps, issued February 22, 1996. Mint Se-Tenant Block of Four . Inventors depicted are Eadweard Muybridge, Frederic Ives, Ottmar Mergenthaler, and William Dickson. Panel measures 11 1/4" x 8 1/2".