This violin (copy) bears the label 'Andrea Postacchini,' a skilled Italian luthier renowned for crafting high-quality instruments with exceptional tonal quality.

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.

Check out this Didier Nicolas Violin made around 1780 in Mirecourt, France. Didier Nicolas is a French luthier who owns the workshop D. Nicolas Aine, one of the most successful violin companies in Mirecourt during the late 1700s and 1800s.

Moretti Egidio transitioned from cabinetmaking to violin making in 1924-1928. During 1945-1955 in Lavagna, Genoa, his instruments were known for their accuracy and good varnish, with two different labels used - handwritten and printed.

Victor Audinot (1870-1943), also known as Audinot-Mourot, came from a family of luthiers in Mirecourt. Mentored by Francois Chardin and Telesphore Barbé, Audinot was mainly influenced by Barbé, who had honed his skills working for Jean Baptiste Vuillaume in Paris. This experience helped shape Audinot’s successful career in instrument making.

Victor worked in Mirecourt, known for luthier tradition, before moving to Paris to set up his workshop on Rue Truffaut in 1913. He dedicated himself to his craft until retiring in 1936. He passed his expertise to five of his six sons and aspiring luthiers. Renowned for creating exact replicas of classical instruments, he crafted an exceptional copy of the ornately decorated Stradivari violin known as the ‘Sunrise’, showcasing his artistry.

Check out this Leonidas Nadegini violin made about 1920. Jean-Baptiste Leonidas Nadegini was a Ukrainian luthier who was awarded as gold medalist for sonority in Saint Petersbourg competition in 1907.

Paul Lorange, a renowned French luthier from Lyon, worked in Marseille during the early to mid-20th century. He established his independent workshop in the city in the early 1930s and was known for his fine workmanship on classical models and his use of various shades of red varnish. The violin in question was made in 1932, and it's noted that the handwriting on the violin and his original label may differ.

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.