Rare Delvigne breech-loading percussion test pistol/rifle,... Lot 30

Rare Delvigne breech-loading percussion test pistol/rifle, 335 mm 10 mm round rifled barrel with barley grain front sight and leaf frog, stamped Saint-Etienne proofhouse under the thunder, beautiful deep blue original tanning, waxed walnut grip plates, removable cheek stock with quarter-turn system, traces of wood wear, storage oxidation, TL 725 mm, no. 22, mid-19th century, category D § e.