coin US 1 Dollar American innovation 1 pz 2018 unc 1st issue American Innovation
The design of the back (cross) bears the signature of George Washington. Stylized gears represent industry and innovation - Statue of Freedom in profile To present the new series in 2018, before states and territories are honored, a special $ 1 US innovation coin was coined and released. The coin pays tribute to President George Washington who issued the first American patent to Samuel Hopkins on July 31, 1790, for the development of a process for the production of potassium chloride, an ingredient found in the fertilizer. Millions of patents have been issued since then, a testimony of our nation's entrepreneurial spirit and remarkable innovation - weight 8.1 g - diameter 26.5 mm (a letter will be given randomly based on availability)