Neapolitan type mandolin with lute shaped body, veined wood top and back, with a handwritten inscription "Koblenz 1916" near the fingerboard, with a learning method entitled Méthode de Banjoline ou Mandoline-Banjo by Édouard Jacovacci, published by Marcel Labbé, 20th century (length 56cm - wear, cracks, missing parts and accidents, as is).