This one was made in Nuremberg by Hans Stopler, so I suppose raise a stein to German engineering. Once again it never fails to impress. Revolvers wouldn’t become commercially successful & produced in mass quantities until the 1800s.
https://www.thefirearmblog.com/blog/2016/11/15/worlds-oldest-known-revolver/
One would not be wise to enter into a duel at the time with the one person that owned this.