How old is my deutsche werke .25 cal pistol?
ortgies' patent. deutsche werke aktiengesellschaft, werk erfurt (on left side of slide)
N and a "symbol" (on right side of slide) matched same N and "symbol" (on right side of frame). (N and symbols match barrel).
OH (inter-twined) metal stamp (on wood grips)
Germany (on top of serial number underside of slide in front of triggerguard) 147, yes 147
Thank you in advance for any help.