Mandolin 12 strings by Donatus Filano, Napoli 1778. Mandolin 5bis by Luigi Embergher, Rome 1935, n°68. Roman mandolin by Egildo Emanuele, sold in Paris in 1921, n°344, "5bis" model. Mandolyra by Raffaele Calace, Napoli 1913. Mandolin by Joannes Vinaccia, Napoli 1774 Mandolin by Vincentius Vinaccia, Napoli 1776 Mandolin by Luigi Embergher, Roma 1823 Cristofaro, circa 1900