Early 19 century matchlock teppo with Tokugawa mon

[estcrh]

Originally Posted by Cerjak

Early 19 century matchlock teppo with Tokugawa mon
With an Heavy smooth, octagonal, 15 mm cal. barrel, decorated with the Tokugawa mon
Overall 118 cm barrel 85 cm.
Unfortunately the serpentine is broken

Well a least the rest of the parts are there. How did you get this date "Early 19 century"?