These guys are incredible..they are terracotta... dirt on them is cleanable ..im not touching them..one has makers thumb print on bottom..other has chop marks and finger prints...these are carved and fired ..got these from an estate of high end Chinese artifacts collector...did these come from Qins burial ..couldnt tell you..copys of stuff found in Qins burial? again all i know there are made of the same thing the terracotta warriors are...they are 8 1/2 " tall..ill be honest with you..i know these are really old..with chop marks and finger prints as makers marks they are most likely ancient...no matter what..these are hand made Chinese art...will ship well packed and highly insured