Went to Smith and Wessons website and in the resources section there is an application for a firearms history. Costs $50USD but that seems cheap to me. Hope that helps.
It appears to be a Double Action Fourth Model, which was produced from 1883-1909, serials lower than 209,300 (approx) are deemed to be pre-1899. Highest is thought to be around 282999.
Try Smith & Wesson Forum for more.