Of Ridgeway type B form, bombe circular form with an incised rim and moulded foot, C scroll strap handle. Each fully marked underneath, maker’s mark RR in a deckled punch (Ridgeway Mark 1). (2) Height -7.8 cm / 3.05 inches Weight – 261 grams / 8.39 oztNotes:Another pair of mugs of this form, date, and maker are recorded in a private Swiss collection in Ridgeway, M. (1985). Chester Silver 1727 -1837. Sussex: Phillimore, p.177, fig.9-10, however the dimensions and weight differ.