Canada. A Rare 4th Ammunition Sub Park Cap Badge

In blackened brass, maker marked "J.R. GAUNT LONDON" on the reverse, measuring 45 mm (w) x 50.5 mm (h), both lugs intact, most of the blackening has worn off, near extremely fine.

Footnote: The 4th Ammunition Sub Park was organized on July 15, 1916 and disbanded on November 1, 1920.