WACA members who are also CFM Members will receive 15 additional record searches on top of the regular quantity of searches included in the standard CFM membership package, regardless of membership level. If you would like to obtain factory research on your Winchester, we urge you to join WACA and the Cody Firearms Museum. Those dates coincide with the Madis dates and can be viewed on Winchester’s site at: The Gun Collector’s Handbook of Values Coward-McCann, Inc 200 Madison Avenue New York, NY 10016. Modern Gun Values Krause Publications 700 E. For purposes of determining if your gun is legally considered an “antique” (pre-1899 DOM), the BATF has told us they use the DOM dates published by the manufacture (Winchester). Winchester Firearms Value/Serial Number Book List & Contact Information. This information is no substitute for obtaining a Winchester Factory Letter from the Cody Firearms Museum (available for certain models and serial ranges) which in addition to the Serial Number Application Date, normally provide the original Received In Warehouse Date and Date Shipped from Winchester factory. George Madis, Ned Schwing, etc.), in which case the data was extrapolated to the best of our ability. To the maximum extent possible, the dates of manufacture shown were obtained from the original Winchester Factory Polishing Room serialization records otherwise estimates were made using multiple sources of information (e.g.