A modern commemorative silver plate

A modern commemorative silver plate,

by J. Gloster, Birmingham 1973,

shaped circular form, gadroon border, engraved with a portrait of Matthew Boulton and inscribed 'Centenary of the Birmingham Assay Office' '1773-1973', the reverse with a presentation inscription, number 14 of an edition of 200, in a fitted case, diameter 22.8cm, approx. weight 12.5oz.