Please keep in mind that : CERTIFICATE INCLUDED ( Matching serial numbers ) Uncirculated Condition  Free Ship - Fast Ship - Accetp Return. Item Description Verified under UV light for authenticity. Condition: Uncirculated Condition Quantity: 20 pcs ( 500 000 Dong x 20 ) Payment Policy Payment is should be sent within 2 days. Shipping Policy Free shipping domestic USA We combine ship for all items ended in 7 days. Items will be sent via USPS Frist Class next Business day after receiving cleared payment. Tracking number will be provided through Ebay system. International shipping time takes 15 - 45 days as usual. Imported tax is buyers responsibility. Returns Policy Return accepted within 30 days of received items , only in US. All fee of return paid by buyers. We wait for returned received and will offer new items exchanged or money return as buyer's choice.