What is the value of a lefever excelsior shotgunsingleshot?

The value of a Lefever Excelsior single-shot shotgun can vary significantly based on its condition, age, and specific model features. Generally, prices range from a few hundred to over a thousand dollars. Collectors and enthusiasts often consider factors like originality, mechanical condition, and historical significance when determining value. For an accurate appraisal, consulting a firearms expert or checking recent sales of similar models is recommended.