The Only United States Commemorative Postage Stamp Honoring American Inventor Philo T. Farnsworth,

Electrical Engineering Inventor of Image-dissector T.V. Camera,

Patents include: Electron Multiplier Photo Electric Apparatus, Electron Multiplying Device, Oscillation Generator, Multipactor Phase Control,
Radiation Frequency Converter,
Means and Method of Operating Electron Multipliers,
Multipactor,
Multiplier Coupling System,
Charge Storage Dissector Tube,
Multistage Multipactor,
Split Cathode Multiplier Tube,
Means for Electron Multiplication,
Means for Producing Incandescent Images,
Two Stage Electron Multiplier,
RF Frequency Multipactor Amplifier,
Self-Energized AC Multiplier,
Oscillator,
Means for Producing an Incandescent Image,
Electron Multiplier,
Method of Operating Electron Multiplier,
Cold Cathode Electron Discharge Tube,
Diode Oscillator Tube Construction,
Shielded Anode Electron Multiplier,
Means and Method for Producing Electron, Multiplication,
Split Cathode Multiplier,
X-ray projection Device,

Issued September 21, 1983 in Washington, DC,

First Day of Issue Cover, FDC, Reader's Digest Cachet, Unaddressed,

Cover in Removable Transparent Poly Sleeve and Mailed With Protection,

Made in the USA


Genuine First Day of Stamp Issued Cover Cancelled on the First Day of Issue Date by the U.S. Postal Service,