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.
Check out this Ryszard Osowski Violin Bronze Plus. Ryszard Osowski is a Polish luthier who gradually perfected the sound and quality of his instruments. As a result, he concentrated more on building his own stringed instrument, passionately pursuing crafting highly advanced violins.
Amati Mangenot made this violin, but he "Italianised" his name and city, resulting in Mageno and Bordo.
Amati Mangenot (1901 – 1966), a French luthier, crafted this violin. He collaborated with the Laurent brothers and later took over Emile Laurent's workshop in Bordeaux.
This 7/8 size violin is labelled Thomas Challoner who worked in Chester, England around 1790. Thomas Challoner was one of the known violin makers in the 18th century.
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.
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.
Leon Bernardel is a French violin maker born in Paris in 1853. He came from a lineage of violin makers tracing back to Nicolas Lupot and his father, Ernest August Bernardel. Bernardel went under training with Justin Derazey in Mirecourt. After joining the Bernardel brothers and the firm Gand, Leon opened his own workshop in 1899. In 1900, Leon began producing his own works, signing them. Leon died in 1931.
This violin (copy) bears the label 'Andrea Postacchini,' a skilled Italian luthier renowned for crafting high-quality instruments with exceptional tonal quality.