Gucci Chiodo Collection 18K Gold Spiral Nail Ring Circa 1970. The ring is in great used estate condition and ready to wear. The ring is signed "Gucci 14 Made in Italy" It has Italian hallmarks 750 and the city mark. The ring is from the famed Chiodo collection inspired by equestrian Florentine aristocratic sporting past times. The square headed nail is based on the nails used in horse shoes. The ring is a size 7 and weighs a total of 15.6 grams.