Undated
RG &S
Captioned hallmark: Glasgow 1837.
Glasgow
over &S Robert Gray & Son , Robert Gray began to work in 1776 when he became a freeman. He opened a new business in 1802 under the style Robert Gray & Son. The firm used the Edinburgh Assay Office until 1819, after which and until 1852 their work was assayed exclusively in . 1837 hallmark