中国斑驳软玉璧，新石器时代晚期，
约公元前 3000 - 2000 年

Sands of Time provides a lifetime, unconditional guarantee of authenticity and provenance. Every object you purchase from us is accompanied by a Certificate of Authenticity, stating culture, provenance, and age.

Furthermore, we conduct due diligence to ensure the item, to the best of our knowledge, has not been illegally obtained from an excavation, architectural monument, public institution, or private property. Wherever possible, reference is made to existing collections or publications.Wherever possible, reference is made to existing collections or publications.

We ship Tuesday to Friday with FedEx and usually same day if your order is received before 2pm. Within the continental USA, packing, shipping and insurance is free. Depending on size and destination, delivery times range from one to five business days.

For overseas shipments we charge a small flat rate which includes packing, preparation of all customs paperwork, insurance and carrier fees in compliance with all USA and International customs requirements.  Overseas shipments are sent using either USPS Priority Mail or FedEx but contact us if you have a shipping preference. International customers are responsible for all duties and taxes.