An authentic China Western Zhou Dynasty (1046 - 771BCE): Clam Shells Proto Money, Unearthed In The Outskirt Of Bao Ji City (中國西周：貝殼貨幣,在寶雞市區出土). VF
Each shell cost $10
Calcification observed, soil deposit observed and a hole drilled for stringing up the shells together for carrying as money or ornaments is also observed.
Authencity guaranteed! Full refund if fake!