you can get a close date by construction of the shank . dry rubbing with a tooth pick to clean up back mark , some times the liquid treatments make things worse . click on chart to enlarge. my guess is 1812-1820
you can get a close date by construction of the shank . dry rubbing with a tooth pick to clean up back mark , some times the liquid treatments make things worse . click on chart to enlarge. my guess is 1812-1820