Facsimile of volume of detailed catalog prepared by Flinders Petrie on artifacts largely collected from his Egyptian explorations of a series of glass stamps of Egyptian manufacture that were used from the Roman to Abbasid period variously as tokens, counters, weights, or attached to glass cups as indications of measure.Various categories are identified and described, makers' names discussed, and weight standards considered. Over 700 stamps are illustrated both as photographs and transcribed line drawings.