ANTIQUE STERLING SILVER POCKET WATCH FOB MEDAL.
Front engraved: 
HIGHEST
MARKS.
Revers engraved:
D. ANTILL.
1929 - 1930

Hallmark - BIRMINGHAM 1926
Maker's mark : J.F - James Fenton (James Fenton & Co, Great Hampton Street, Birmingham).

Measures approx.:
Length - 39mm (1.53 inch.)
Width - 27mm (1.06 inch.)
Weight - 8.7g