Thank you for viewing. The jade I am selling was collected in the Itoigawa area before regulations were put in place, and it is the national stone of Japan. Itoigawa Jade Necklace Pendant Natural Stone Origin: Itoigawa NO. 534 Size: Approximately 20mm x 15mm x 2mm Weight: Approximately 2g Please understand that there may be minor scratches and size variations due to handmade processing. The hanging cord is polyester, 1mm in diameter, and approximately 60cm long. It will be included as is. The color of the actual product may differ from the image depending on your monitor. The appeal of Itoigawa jade: (prosperity) (family fortune) (longevity) (good luck) (health) and more. We do not create certificates of authenticity because the appraisal and certificate production are expensive (which would make the product price too high). Shipping will be via regular mail or non-standard mail. Since postal delivery does not offer tracking, we are looking for bidders who will notify us upon receipt.