Gilt brass. Diameter 36.5mm. 28.11grams.  VICTORIA D: G: BRITT: REG: F: D:  Crowned Jubilee bust left, JEB on truncation.  R. No legend, St George killing the dragon, 1887 in ex.  Reeded edge.  A close copy of S.3864.  Traces of gilding remaining, some scratches on rev., otherwise Good EF

Probably a jeweller's window display piece.