Japanese Netsuke “Two Men on a Dragon Boat”

18th Century, Antique Japanese Ivory Netsuke, handcarved, signed
Two Men on a Dragon Boat. Superb carving of ivory (probably walrus tusk), one man is reading a paper – Signature is on the paper?
Excellent condition – used!

Height: ca. 25 mm
Length: ca. 52 mm
Wide: ca. 20 mm
Weight: ca. 24 grams