Great modern design sterling ring by Matti Hyvarinen for Sirokoru Ky, Finland, c. 1975; about size 6, can be adjusted up to about a size 8 or can be made slightly smaller; front section is about 1/2" x 1/2"; marked: "MJH, 925," Turku stamp, "X7 (for 1975), SIROKORU, MADE IN FINLAND" some light surface wear, otherwise fine condition.

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