Rare J.Tostrup Norway Sterling Silver Guilloche Enamel Necklace

For your consideration, an exquisite necklace, vintage circa 60s, signed J.Tostrup Norway based on my research this style was mostly likely designed by Grete Prytz, the necklace is made out of sterling silver accented with 12 fabulous bell shaped pendants in the shades of lavish blue with intricate "veins" details imitating real leaves texture in guilloché technique, a unique and rare wearable art piece! Condition: the enamel is in excellent pre-owned condition for the age, no noted flaws, please note the untreated patination to the metal in the reverse, can be polished, from a non-smoking environment. Measurements: necklace 40 cm , bell pendant 2.5 x 1.4 cm. Please view the photos for more details.