A pair of late 19th early 20th century silver quaiches

A pair of late 19th early 20th century silver quaiches, marked three times WM to base, circular form, lug handles, in the 17th century manner, embossed with thistles and roses, engraved 'R*S to I*M 1650', the centres engraved with an armorial, length handle to handle 21.3cm, approx. weight 16oz. (2)