Felix Schlag, a German born artist and sculptor is known as the designer of the American Jefferson nickel and beginning in 1966 the intials FS could be seen on the nickel he designed. He was awarded a prize of $1000 USD for his design which was accepted on 21 April 1938 by then director of the US Mint Nellie Tayloe Ross.
Felix Schlag died in 1974.
Felix Schlag was born in 1891.
Any US Jefferson nickel from 1938 to 2004 the obverse is Felix Schlag's design. His initials were added in 1966 just below the bust of Jefferson.
The cast of Schlag auf Schlag - 2005 includes: Marcel Miller as Moritz
Schlag auf Schlag - 1959 is rated/received certificates of: West Germany:12 (nf)
John Schlag was born in 1960.
Phillip Schlag is 175 cm.
Phillip Schlag was born in February 1993.
The Jefferson Nickel was designed by Felix Schlag for which he won a $1000 award for winning a competition among 390 artists. The design was first used on the 1938 mintage.
Hermann Schlag has written: 'Geschichtlich-geographische Ubersicht'
Schlag den Raab was created on 2006-09-23.
What you are seeing is probably the designer's initials " FS" for Felix Schlag. They did not appear on the coin until 1966.