Silver, 33.3mm diameter, weight 16.92gm. YORKSHIRE· NUMISMATIC· SOCIETY· 1909 around rose.  Rv. 1909 above 1969 flanked by ornaments above IN COMMEMORATION OF THE SOCIETY'S DIAMOND JUBILEE MR.L.H. BLACKFORD -PRESIDENT- ornament below (all incuse, in imitation of engraving).   W.TB3 —.  Very rare.   Slight marks in field, good EF