1834 King George IIII Half Crown Obverse 1834 Halfcrown – William IV - The 1834 Half Crown. Obverse shows a bare head portrait of King William IV (written on the legend as William IIII) by William Wyon.
1834 Sixpence William IV Reverse 1834 Sixpence – William IV - The 1834 silver sixpence of King William IV was minted at the Royal Mint in London. As the size of the 1834 sixpence was about that of the  half-sovereign, to prevent confusion the 1834 half-sovereign was reduced in diameter from 19.4mm to 17.9mm, although the weight remained the same.