There is no central, free, real-time database for all S&W serial numbers (for security and commercial reasons). However, you can accurately date your 29-2 using the following methods.
: You may need to remove the grips to see the full number if they are wrap-around style.
Disclaimer: The serial number ranges provided are approximations based on the Standard Catalog of Smith & Wesson. For absolute certainty regarding legal ownership or insurance valuation, consult a professional firearms appraiser or the S&W Historical Foundation.