2017 Half Sovereign Gold coin with 200th Anniversary Privy mark. In capsule and box.
Approx weight 4 grams. Actual weight 3.99 grams. 
22 Carat gold 91.67% Purity. 3.66 grams in pure gold. 
Includes the Privy mark for 200th Anniversary of the reintroduction of the Sovereign in 1817.