This violin is labelled "Antonius Vinaccia, Napoli in Via Constantinii, a. 1792" and shows evidence of being repaired in 1902. Antonio Vinaccia was a renowned instrument maker in Naples during the mid-18th to late 19th centuries. He was known for making violins in the style of Gagliano and exceptional mandolins. His craftsmanship is preserved in Naples's Museo Spagnuolo (Palazzo degli Studi). Antonio's sons, Gennaro and Gaetano, also became instrument makers.

This German-Made Helmut Illner A-Level Violin Carved and varnished in Germany according to the specifications of German luthier Helmut Illner. 

Over 25 years, Ryszard conducted numerous experiments, conducted intensive studies, gained valuable experiences, and was influenced by his colleagues, all of which contributed to his gradual perfection of the sound and quality of his instruments.

Lambert-Humbert Frères firm (fl. 1876 – 1969) was a major violin manufacturer in Mirecourt, offering a wide range of models and quality levels, established in 1876 by violin-making brothers Maurice-Emile and Pierre Alexis Auguste Laberte.

This is an A. Dieudonne Violin made in Mirecourt in about 1933. Amédée Dominique Dieudonné is a French luthier who specializes in copying the works of Cremona masters.

Check out this Modern Mittenwald Violin made after Hornsteiner. Hornsteiner was one of the famous luthiers from the late 18th century up to the early 19th century. 

Check out this Ryszard Osowski Violin Model BRP with Certificate. Ryszard Osowski is a Polish luthier who was able to gradually perfect the sound and quality of his instruments, concentrating more on building his own stringed instrument, passionately rearing towards crafting highly advanced violins.

Check out this Mast Fils Violin Dated 1827. Joseph Laurent Mast a French violin maker who branded his violins with the inscription inside that says “Mast Fils Toulouse."