ROUEN 1730 - 1731 Plain silver wine cup, the thumb grip cut out, engraved with the representation of Saint John underlined on the reverse by a side ring. The body, under the border, is engraved in the English Marie Durand, framed by leafy branches. Master goldsmith : Jean-René ROUSSEL, received in 1731 Weight : 100 g - diameter : 7,6 cm Marks : each element is marked Literature : In the work of Mr. Claude CASSAN, Les orfèvres de Rouen, of 1979, it is mentioned that the punch of the master goldsmith "is unwelcome".