Japanese Arita Ware Porcelain Teacup Vtg Sometsuke Camellia Blue White TC512 Mask I think it's probably a

I think it's probably a seal created for guitar advertisement printing

3 black and white hats (with strings)

Black rectangle shape

but I don't think the tea will leak)

Sado-okesa

Japanese Arita Ware Porcelain Teacup Vtg Sometsuke Camellia Blue White TC512 Mask I think it's probably aVtg Japanese Porcelain Teacup This is a vintage Japanese porcelain teacup. It is a beautiful example of Arita porcelain. The design features 4 beautiful camellia flowers painted in color as well as 4 vertical shapes with an abstract pattern. There is a sign on the bottom. This larger sized cup is good for having daily tea time and can be used for different types of beverage. White, blue, red, green, yellow, blue Porcelain C1970 Kanji of the signature: