Book: McConnell, Andy. 2004 The Decanter: An Illustrated History of Glass from 1650. 575.
• Published: p. 94, pl. 133, noting “Such inscriptions were often applied retrospectively and are no proof of age.”Book: McConnell, Andy. 2004 The Decanter: An Illustrated History of Glass from 1650. 575.
• Similar stopper in "Evolution of Stopper Shapes": p. 528, listed as"Multi-teared ball c1735-45"