You have asked for a musket, so that would be a model 1795 with a lock date of 1803; value $3750 in antique "good" condition. HF also made a model 1803 rifle, a much more elegant weapon. First production was in 1803, and only a few exist with that date; value in good condition $9000-12,000.

PLZ verify which you are seeking, what lock date and what condition is acceptable.