This is a ring by Mayumi Murasawa. "Mayumi Murasawa" is a Japanese jewelry brand targeting adult women. It features simple and sophisticated designs, offering items suitable for everyday wear and special occasions. This hammered finish silver ring is not hollow inside, giving it a substantial feel and presence. The size is approximately size 12. The fifth photo shows a different color (brass) type. For reference. - Material: Silver - Design: Hammered finish - Style: Band ring Thank you for viewing. Price is not negotiable. Material... Silver