I have a question on manufacture dates for a couple of different Marlins. First is a Model 94, in 25-20 serial number 8014xx, as best I can tell the first number is a 8 and not a 3, but even with a magnifying glass I am not 100% sure. Second is a 1894C 357/38 Serial number, 92041xxx. Number is on the left side of the receiver. Barrel markings are," The Marlin Frearms Co. North Haven CT. U.S.A." JM or a bad stamping of JM is on the left side of the barrel, just forward of the receiver, with no REP on the right. When was this gun made, was it pre Remington or considered as such. Any more information on either firearm is appreciated. Thanks