Designed to compete with the Hudson's Bay Company's "Hand Dague", these were introduced in the 1790s. They continued in production with handles until about 1850 and continued to be supplied without handles until the end of the 19th century.
This is not a reproduction but there are reproductions of this knife. See makers mark in pics. See the patina & condition. Decorative pins are not even, blade is thinner on one side, hardening tac used in gaps. This knife was a museum piece in a small museum in Broken Bow. Text with questions. 832-797-82o9. Trade value is $2500.