Henri, Gustave Delvigne, Paris 1799 - 1876, started 1828 trials pistols with small caliber rifled bores.
A very early pistol in caliber .35 percussion with rifled bore, 3ÂĽ" round grayish barrel with dovetail front sight and inscription INVon DELVIGNE A PARIS, highly decorated hard rubber grips, the loading gate with a face of a monster, clean and not abused, percussion cap. Interestingly the pistol is cocked with the bar under the barrel by pulling it backwards, and in the grip is a massive ramrod.