Webthe serial number can be used to look up the revolver’s manufacture date in the smith and wesson factory records. Another way to date a smith and wesson revolver is to look for. Webthe serial number offers information about the firearm’s manufacturing, such as when and where it was manufactured. This post will consider the smith and wesson serial. Webjan 20, 2018 · sometimes a photo is needed to “see” the penciled #. Finding the serial number is made much easier using the gimps threshold tool. Smith & wesson da. Webthe s&whf will now be providing the smith & wesson letter of authenticity. A letter of authenticity can help bring new insight about the age, make and model of your firearm. Websmith and wesson serial number date of manufacture j frame revolver lookup. For models 36, 37, 38, 49, 50 and pre model number versions.