This item is from the Waterloo Museum Collection in Broadstairs, Kent, England. The contents of the museum were sold in 1992 after the untimely death of its founder, Derek Spaulding. Each is accompanied by Certification of Authenticity. 5/8" diameter with 51 in stylized wreath. Excellent with good patina and a little green oxidation. The compound back loop intact. The 51st Regiment of the Line fought under Colonel Jean-Antoine Rignon at Waterloo.