Welcome to the forum.

That revolver is called the K-38 Masterpiece. With that serial number, it probably dates to 1952.

After 1957, when S&W introduced numerical model designations, that model was called the Model 14.

The K-38 Masterpiece and its successors have been some of the premier .38 caliber target revolvers for the last 60 years. Many also saw service with law enforcement agencies.

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David Wilson