It is entirely possible that it is the Falls of Clyde, built in Glasgow in 1878, the last sailboat of this type existing in the world.
After being saved in extremis before being sunk, it is now docked at the Maritime Center of Honolulu and was classified American historical monument in1989.
Signed lower right P Forest (1881-1971)
Dimensions 50 X 65 cm
Dimensions 62 X 78 cm with frame