The obverse of the coin shows the bare (uncrowned) head of King George V. facing left.
Observe Designer:Below, on the neck truncation in small letters, are the designer's initials B.M. (for (Sir Edgar) Bertram Mackennal).
Around, the monarch's legend: GEORGIVS V DEI GRA: BRITT: OMN: REX FID: DEF: IND: IMP:. Translated from Latin: George the Fifth, by the Grace of God, King of all the Britains, Defender of the Faith, Emperor of India
Reverse of the Coin.
The reverse of the coin shows, within a beaded border, the figure of Britannia - the female personification of Great Britain - seated facing right, wearing a crested Corinthian helmet pushed back to reveal her face and a flowing dress, resting her right hand on a shield bearing the combined crosses of the Union Flag, and holding a trident in her left hand.
In the background, sea waves.
Around left and right, the value and denomination ONE PENNY.
In exergue, the date 1921.