Rare Vintage Toshikane Japanese Hand carved Porcelain Ring 1940-1950’s size 5.5

Stunning Toshikane Arita Japan Antique silver tone ring beautifully carved!! White flowers on a rose pink background, delicate and in wonderful condition! Band of ring is open so could be slightly adjustable. Size 5.5. Makers mark and other inscription ( in Japanese) on band and back of ring.