Signed "nanban tsuba"
Among the work classified as "nanban", signed work is very rare. Here are some examples of signed works in the style.
Winged dragon tsuba
A fine and unusually large tsuba. Attributed to Hizen by the NBTHK.
Kiyou-Toujin Tsuba
A Japanese style sword guard made in 17th century Nagasaki Chinatown.