Here are three sets of earrings purchased at a flea market in Minato Mirai. Cross Earrings Plated material, 3 freshwater pearls Labradorite Earrings Plated material, 3 labradorite stones Natural Earrings Hook and chain parts are plated material Top metal part: Yellow gold K10 Stones: Unknown If you have a metal allergy, the material is plated, so you may be able to wear them if you change the earring hook parts yourself ✻ They have a simple design, but they are cute and add an accent when you wear them out ◡̈