Struck to commemorate the 25 year Jubilee of King George V. Incuse edge lettering on circulation coins, raised edge lettering on proofs: "DECUS ET TUTAMEN ANNO REGNI XXV" (A decoration and a guard. Regnal year 25.).
Thanks to the modernistic design of St George this coin is affectionately known as the "Rocking Horse" crown.
Circulation coins are 0.500 silver, proofs are 0.925 silver.