Mason and Hamlin pump organ serial numbers style 258 serial?

Mason and Hamlin pump organs are known for their craftsmanship and quality, with serial numbers offering insight into their production timeline. A serial number starting with "258" typically indicates that the organ was manufactured in the late 19th to early 20th century. To determine the exact year and model, it's best to consult a Mason and Hamlin serial number reference guide or contact a specialist. These organs remain popular among collectors and musicians for their rich sound and historical significance.