Features:
Stamps shown are sample photos only.
United States of America 1983 American Inventors
- 20c Charles Steinmetz; known for his contribution in alternating current (AC).
- 20c Edwin Armstrong; developed frequency modulation (FM).
- 20c Nikola Tesla; known for developing the modern alternating current (AC).
- 20c Philo T. Farnsworth; Inventor of the first fully electronic television.
Item Details:
Stamps for sale are "Mint or Used".
______________________________________________________________________________________________________________________________________________To better describe the condition of the stamps we sell, we included a glossary for your reference:
★ Mint - is a stamp that has not been used or postmarked, but could have a hinge, gum or no gum.
★ Used - is a stamp which has been used, postmarked, has hinges, and other markings.
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