How much is a Hopkins and Allen Forehand Model 1801 32 cal owlhead serial number C3103 worth plus any info is appreciated including possible blueprints or schematics?

The value of a Hopkins and Allen Forehand Model 1801 Owlhead in .32 caliber can vary widely based on its condition, ranging from around $100 to $400. Collectible factors such as rarity, historical significance, and original features can influence its worth. Unfortunately, blueprints or schematics for this model are hard to come by, as they are typically not widely published; however, collectors and enthusiasts may have access to limited resources or manuals through forums or antique firearm groups.