Switzerland has issued a fine silver 20-franc coin celebrating its involvement with a solar wind experiment in the Apollo 11 moon landing 50 years ago. This coin highlights a solar wind sail sent on the mission by the University of Bern, the only non-American experiment on board the Apollo-11. It was designed by Swissmint engraver Remo Mascherini. The coin weighs 20 grams and measures 33 millimeters in diameter.
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