1931 United Kingdom - Farthing
The 1931 UK farthing obverse features the bare head of King George V facing left, with the surrounding legend: 'GEORGIVS V DEI GRA:BRITT:OMN:REX FID:DEF:IND:IMP:'
The reverse shows Britannia seated facing right, wearing a helmet, holding a trident, hand resting on a shield, with the word 'FARTHING' around the top, and date below.
Last King George V era UK farthing.
A diameter of 20mm, and a weight of 2.75 to 2.9 g.