US 1996
PIONEERS of COMMUNICATION
Eadweard Muybridge - Photographer
Otmar Mergenthaler - Inventor of Linotype
Frederic Ives - Developer of Halftone Process
William Dickson - Developer of Kinetoscope
Water Activated Gum
Scott 3061-64
Perforated 11.1 x 11
Lower Right Stamp Plate Block - #P22222
Mint Never Hinged
