Watch List notes:

UMAYYAD/ABBASID: Anonymous, ca. 700-900, glass vessel stamp (3.10g), Balog-870/873, inscribed qist zayt qanab ("full unit of cannabis oil"), the substance also called "hemp oil", choice EF, RR. This is the seal removed from the top of a container filled with cannabis oil. The English word cannabis comes from the Arabic "qanab", which in turn is derived from ancient Greek "kánnabis". The Arabic word "qist" derives from ancient Greek "xestes".

Estimate: 300-400 USD