The Fifty Francs coin is a denomination of the Swiss Franc. Given that Switzerland has four official languages, the Franc has three different names: Franken in German, franc in French and Romansh, and franco in Italian.
In regular circulation, the denomination is served by a banknote. These gold coins are non-circulating legal tender made for collectors and struck in proof grade only. They are issued in topical series, celebrating various aspects of Swiss heritage or nature. Swissmint has issued at least one every year since 2001. Initially, both sides of the coin carried a commemorative design; starting from 2004, the obverse is the same and only the reverse changes. (It is worth mentioning that some sources consider it the other way round, and call the commemorative part the obverse; however, we are going with the standard definition, which is that "obverse" is the side which specifies the issuing authority).
The edge is inscribed with the motto DOMINUS PROVIDEBIT (The Lord will provide - a quote from the Bible, Genesis 22, 8), and thirteen stars representing the original thirteen cantons of the Swiss Federation.
This coin celebrates Roger Federer, a famous Swiss tennis player.
He was born in Basel on 8 August 1981. At the age of 16, he decided to leave school in order to pursue a career in tennis. He made his debut on the ATP Tour in 1998 and has since won 103 singles and eight doubles titles (at end-October 2019). He is one of the few players to have won all four Grand Slam titles (Australian Open, French Open, Wimbledon and US Open) at least once. In 2008, he became Olympic doubles champion together with Stan Wawrinka, the Swiss professional tennis player, and won silver in the singles in 2012. In 2014, he won the Davis Cup for the first time with the Swiss team. To date, Roger Federer has headed the world rankings for the longest, with a total of 310 weeks at the top, including a record-breaking run of 237 consecutive weeks. He is also the oldest player to have topped the list. Moreover, in 2004 and from 2007 to 2009, he finished the year as the world No. 1.
These, and many other successes and records, as well as his versatile playing style, have led many tennis experts to already rank Roger Federer as the greatest tennis player of all time, even while he continues to be active on the circuit. In addition to his sporting brilliance, Roger Federer is above all the perfect ambassador for Switzerland. He has a unique way of embodying likeability, down-to-earthness, success and eloquence.