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Your violin is a factory-made piece fro Italy, around the turn of the 20th century. "Fabrica di Armonici" translates from the Italian to "Factory of Harmonics". Nicola Russmanto is a brand name and the VS Libborio N12 Napoli is the address.
If it is in very good condition with very good tone, the current retail (replacement or insurance) value of your violin is approximately $1,000. If you were to sell it, you could expect to get the fair market (private sale or auction) value of approximately 40% of the retail amount or $400, depending on location and actual condition.
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