Matti Hyvärinen for Siru Koru, Finland 1975. Sterling Silver Modernist Ring.

Wonderful and sought after vintage sterling silver designer ring. Fully hallmarked for Matti Hyvärinen for Siru Koru, Finland year 1975.

Excellent condition.

Ring size: Adjustable, in photos US size 8 1/4. UK size Q

Weight: 5.4gram

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