1983 American Inventors Block Of 4 20c Postage Stamps - Sc# 2055-2058 - MNH, OG - CW246a
On September 21, 1983 the USPS honored four of America's top inventors. Charles Steinmetz devised methods of harnessing high voltage for the Niagara Falls Power Plant, Edwin Armstrong invented FM radio, Nikola Tesla developed the generator and other devices which made alternating current (AC) possible, and Philo T. Farnsworth invented the first television camera.
These are real USPS postage stamps that are accepted by the USA Postal Service as payment for mail posted in the USA however the total rates on the stamps posted must equal or exceed the current appropriate postal mailing rate or extra postage must be paid.
The stamp set shown in the picture is a stock photo and is likely not a picture of the exact stamp set you will receive and it may differ in plate number and/or orientation. However the item you will receive will be similar including having a plate number (if one is present in the photos) and the same number of stamps. Stamps titled as MNH, OG will have no significant creases or unnatural gum disturbances unless otherwise noted.