What is value of a wards western field 20 gauge model 31 serial number-u45809?

The value of a Wards Western Field 20 gauge Model 31 shotgun, particularly one with a serial number like U45809, can vary based on its condition, age, and market demand. Generally, these shotguns can range from $150 to $500. For a more accurate appraisal, it's best to consult gun dealers, auction sites, or firearms valuation services. Keep in mind that local laws and regulations may also affect its market value.