Vintage ring 18K with Aventurine

Vintage ring in 18K red gold, with a beautifully set aventurine. Made in 1959 in Stockholm by Guldvaruhuset AB. The ring is hallmarked GVH (Guldvaruhuset AB), the Stockholm city symbol, a cat’s paw (precious metal hallmark), 18K, and I9 (1959) Size: 50/16