Today, I took the 2,000 yuan voucher in Jin Meiyu's jewelry. You can buy 2,000 yuan in jewelry in their store, and the gold dolphin of the picture is 2598 yuan.

Today, I took the 2,000 yuan voucher in Jin Meiyu. You can buy 2,000 yuan in jewelry in their store, the gold dolphin of the picture is 2598 yuan, I spend 598 yuan, and I have an appraisal. Is the appraisal book authentic,? Thank you.