Origin: Italy Material: Solid silver and natural black onyx (smooth cabochon cut) Theme: Commemorative design for the Automobile Club of Rome Dimensions: Inner diameter approx. 17 mm; face width 17.6 mm; weight 8.5 g Condition: Good vintage condition with a natural patina; the black onyx surface shows faint scratches but is free of cracks or chips. This is a vintage commemorative ring from the Automobile Club of Rome, crafted from solid silver. The center features a polished black onyx stone surrounded by exquisite engravings, including the club's emblem and decorative motifs. The silver surface has developed a natural patina, enhancing its vintage charm. With its substantial feel and wide band, the ring is suitable for both daily wear and collecting.