Goto Menuki
T0131
Waki Goto menuki: 3.71 cm x 1.45 cm x 5.5 mm / 3.7 cm x 1.39 cm x 5.3 mm. The detail work is quite good, and the facial features are distinct, even on these small pieces. So if you are looking for fittings to mount these could be them. $600
Approximate size