This is a Charles Claudot Violin. The name Claudot was a popular clan of luthiers in France who have been making violins from the 16th up to the 20th century.

Have a look at this Gliga Vasile 4/4 Violin with Lady's Head Scroll (Instrument Only). Gliga Vasile Special Series: Lady's head in scroll.

This is a Charles Gaillard 1867 Violin. Charles Gaillard was an apprentice of the prominent French violinmaker and restorer, Charles Adolphe Gand.

Ref. F007

This is a Josef Kreuzinger Violin Made in Germany around 1924. Josef Kreuzinger was a German luthier whose works were deemed as excellent and professional.

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.

We have here the Orfeo Carletti Violin made in 1932. Orfeo Carletti is an Italian violin maker who opened a workshop together with his father and brother in Bologna. 

Collin-Mezin Violin dated 1887. This as an unusual model for a Collin-Mezin violin, but the workmanship, the original label, and Collin-Mezin's authentic signature verify the maker.

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.