Lot Essay
For the chain pattern see no. 189 in Stern, Roman, Byzantine, and Early Medieval Glass, 10 BCE-700 CE, Ernesto Wolf Collection. For a bottle with internal trapped threads see no. 158 in Auth, Ancient Glass at the Newark Museum, where the author describes the technique as the "glassblower's whimsy" that was created by "jabbing the glass bubble at intervals with a sharp implement before inflating."