Arita Cobalt Blue Grapes Decoration Japanese Bone China Demi-Tasse Set. Four demi-tasse "half-cup" Espresso or strong speciality coffee type drinks.
The Fukagawa Seiji company was founded by Fukagawa Chuji who was the second oldest son of Fukagawa Eizaemon.
The company exported porcelain ware to Europe and America that was highly prized throughout the world fairs. The mark was that of the name of the company under Mt. Fuji and a Stream or only the Mt. Fuji. It is thought this mark was used 1900 - 1920