Auth. Van Cleef & Arpels Vintage Alhambra Yellow Gold Onyx Pendant Great condition 18k gold and onyx Hallmark Van Cleef Clasp Pendant attached to necklace Notes: authentic and purchased at the flagship in 5th ave. All certifications and authentication papers will be shipped once sold. Numbers hidden in photos to prevent copying. Any purchase over $500 will also be authenticated by Poshmark and you can also have the store verify its authenticity.