🇨🇦 Vintage 60s signed Sherman clip in earrings

Made in Canada, vintage 60s, lovely elegant signed Sherman clip on earrings, Gustave Sherman's jewelry is known for its exceptional quality and design, popular and highly collectible, the earrings feature a cluster of marquise blue to purple Swarovski aurora borealis crystals that shine in prong set rhodium covered metal. Overall the earrings are in very good vintage condition, no patina to the metal and no stones are missing. Please note that there are some light marks on a couple of crystals on one earring, not really noticeable when worn, as seen in the close up photos. Measurements 3 x 2 cm, come from a non-smoking home.