J Russell Green River Works "Professional" 6" Boning Knife Carbon Steel Twine Wrap 1920 30s Natural Stone With the adaptation of the they also work well With the adaptation of the drop forge first in Nogent the volume of knives that could be made was greatly increased however skilled hand work hand forging and hand grinding after drop forging was the norm aogami super holds its peak sharpness well but really gets its duration from it's ability to cut well as it dulls In the pre Civil War time period of the 1830s to 1860 Sheffield engaged in a protracted trade war with the new American knife makers The deep etch on this one most likely places this made in Turners Falls Mass in the 1920s or 30s before they folded and were bought by the "Dexter" Harrington Cutlery Co of Southbridge Mass