1831 Penny William IV Reverse MV 1831 Penny – William IV – Proof - Copper penny of King William IV minted in 1831. Note that William IV is shown on the coin in Latin as GULIELMUS IIII.
1834 King George IIII Half Crown Obverse Coins of King William IV - A list of Coins of King William IV (1830-1837)
1836 Half-Crown William IV Reverse RM 1836 Half-Crown – William IV - The 1836 Silver Halfcrown of William IV (on coin as Gulielmus IIII). The Reverse is a beautiful image of a Shield on Mantle.
1835 Third-Farthing William IV Reverse 1835 Third-Farthing – William IV - 1835 Copper Third-Farthing, King William IV. Although this coin was minted by the Royal Mint in London, the coin itself was intended for circulation in Malta.
1835 Sovereign Reverse 1835 Gold Sovereign - The 1835 Gold Sovereign of King William IV shows a crowned shield of the Royal Arms on the reverse of the coin, designed by Jean Baptiste Merlen.
List of William IV Halfcrowns List of William IV Half-Crowns - List of William IV Halfcrowns with descriptions, images, mintages, history and info for coin collectors.
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.
1833 Sovereign Obverse 1833 Gold Sovereign – William IV - The 1833 Gold Sovereign was issued during the reign of King William IV. Second Bust: the top of the ear was made broad and flat; the King's nose points towards the second 'I' in Britanniar; and the Obverse beading is coarser.