What is the value of a marlin 16 gauge over and under?

The value of a Marlin 16 gauge over and under shotgun can vary significantly based on its condition, age, and any unique features it may have. Typically, these shotguns can range from a few hundred to over a thousand dollars in the collector's market. Factors such as rarity, craftsmanship, and demand can also influence the price. It's advisable to consult recent sales or a firearms appraiser for a more accurate assessment.