About 4-3/4" long.  Hallmarked British souvenir spoon with bowl that appears to be gold-washed.  Original patina.  Made for the coronation of King George V in June 1911.

The handle reverse has the marks R.D. (Registered Design?) No.569081, L&S, and 3 hallmarks.

The bowl shows an etching of the Coronation Chair; the top has profiles of King George V and Queen Mary.  George V was a grandson of Queen Victoria; he and Queen Mary were the grandparents of the beloved Queen Elizabeth II.

Weighs about 15.5 g., or 1/2 a troy ounce.