Approx 40 grams & measures 62mm in diameter x 5.1mm thick. No other details are known about the item except those depicted on the pack, see photo. Note the references used in the research La Coup, Goble 1966.This is the buyers / importers responsibility. _gsrx_vers_854 GS 7.0.18 (854). The item "RARE 770 256 BC CHINA EASTERN ZHOU DYNASTY CARVED ARCHAIC JADE SHOU COIN AMULET" is in sale since Monday, September 23, 2019. This item is in the category "Antiques\Asian Antiques\Amulets". The seller is "hnco" and is located in Woolloongabba, Brisbane. This item can be shipped worldwide.