One Blue White Red Floral Porcelain Napkin Ring Holder Signed in Japanese

Only One Blue White Red Floral Porcelain Napkin Ring Holder Signed in Japanese. There is also one sake cup in my store with the same signature in Japanese, see last pictures. Beautiful New condition NWOT. This piece is signed in blue, looks like Japanese writing. Material: ceramic Color: blue red white 1 7/8" diameter x 1 3/8" high