Canada. A Canadian Army Dental Corps Insignia Set, c.1917

Cap Badge: in pickled copper, flat reverse, unmarked, measuring 36 mm (w) x 38.8 mm (h), both lugs intact; and Collar Tab Pair: in pickled copper, each with a flat reverse, one is maker marked "BIRKS" on the reverse, the other is unmarked, measuring 29 mm (w) x 30 mm (h) each, intact lugs. Extremely fine.