The Jules Falk Stradivarius is an antique violin made in 1723 by Italian luthier Antonio Stradivari of Cremona (1644-1737). The instrument is currently owned and played by Russian violinist, Viktoria Mullova. It was with this instrument that Mullova won the International Tchaikovsky Competition in 1982.
References
Jules Falk Stradivarius Wikipedia(Text) CC BY-SA