Czechoslovakia. 100 Korun (Viktor Kaplan), silver 1976 (No reserve price)

The 100 Korun silver coin from Czechoslovakia issued in 1976 features Viktor Kaplan, an influential engineer known for inventing the Kaplan turbine, which revolutionized hydroelectric power generation. This coin is part of a series honoring prominent national figures and technological achievements. As a mid-to-late 20th-century silver commemorative coin, it captures pride in industrial and scientific advancement during the communist era of Czechoslovakia. With a significant silver content and detailed design, such coins appeal to collectors interested in history, engineering milestones, and Eastern European numismatics. They serve as tangible tributes to the nation's contributors in science and innovation.