The value of a 5-shot .32 caliber Iver Johnson Secret Service Special can vary based on its condition, historical significance, and market demand. Generally, these revolvers can range from $150 to $500. The serial numbers you provided suggest the gun may be from a specific production batch, which could add to its appeal for collectors. For a precise valuation, it's advisable to consult a firearms appraiser or check recent sales of similar models.