What is a bandit knife that goes on the end of a 1800 rifle worth?

The value of a bandit knife that attaches to a 1800s rifle can vary significantly based on factors like its condition, rarity, provenance, and specific historical significance. Generally, such items can range from a few hundred to several thousand dollars. Collectors often look for authenticity and craftsmanship, so detailed appraisals by experts in antique firearms are advisable for accurate valuation.