Muirhead & Sons or WA & S which is W. Both were active in the 2nd half of the 19th century. Or it could be neither.
The tankard is 4 3/4" tall to the top of the handle and and 3 1/2" in diameter. The weight is 6.03 troy ounces (187.7 grams). There are no distracting dings or dents and only a slight wobble when it is on a flat surface.I have only lightly polished this piece but it could use a more thorough polishing, especially on the inside of the mug. Please see all pictures for details. The item "Antique British Sterling Silver Repousse Mug Ca. 1852 Glasgow, Scotland" is in sale since Friday, December 18, 2020. This item is in the category "Antiques\Silver\Sterling Silver (. The seller is "keener5878" and is located in Upper Marlboro, Maryland.
This item can be shipped to United States.