Elizabeth II

2017 50 Pence Coin Sir Isaac Newton Reverse 2017 50 Pence Coin – Sir Isaac Newton - Besides being one of the most famous scientists in history, Newton was also made Master of the Mint in 1699. 2017 was the 375th Anniversary of the birth of Sir Isaac Newton (1642-1727).
2019 Gold Sovereign India Reverse 2019 Gold Sovereign – India - Minted at the mint in India under licence from the Royal Mint. The sovereigns are minted with the quality control of the Royal Mint and are legal tender in the UK. There is an 'I' mint mark just above the date.
2011 Fifty Pence WWF Reverse 2011 50 Pence Coin – WWF - The 2011 fifty pence coin celebrates 50 years of the work of the World Wide Fund for Nature (WWF). The reverse shows 50 animals and symbols.
2020 Silver Britannia Proof Reverse 2020 Silver Britannia Proof - The Reverse, by James Tottle, shows Britannia standing with shield and trident, waves and Union flag in background. Metal is .999 Silver. 
1986 1991 One Pound Flax Plant Reverse 1986 One Pound Coin – Flax Plant - On the reverse is the Flax Plant and royal diadem representing Northern Ireland. The design, by Leslie Durbin, was used in 1986 and 1991.
2016 Nations of the Crown Reverse 2018 One Pound Coin – Nations of the Crown - The 2018 One Pound Coin reverse shows a Rose, leek, thistle, and shamrock encircled by a coronet which are the Nations of the Crown representing the United Kingdom.
2008 Silver Britannia Proof Reverse 2008 Silver Britannia BU - The 2008 Silver Britannia (£2) BU/Unc shows Britannia standing with a trident and a shield. Britannia's dress artistically transforms into a wave.
2019 10 Pence C Cricket Reverse RM 2019 10p – C – Cricket - The 'C' coin in the Quintessentially British A-Z 10p Coins collection is Cricket, the summer game of Britain. Cricket was first played in the 16th Century.
2004 Gold Proof 50p Roger Bannister Reverse RM 2004 Gold Proof 50p Coin – Four-minute mile - 2004 was the 50th Anniversary of the famous race leading to the first four-minute mile by Roger Bannister, one of sports greatest breakthroughs.
2023 Silver Proof Two Pound Year of Rabbit Reverse 2023 Two Pounds Year of the Rabbit (1oz Silver Proof) – Elizabeth II - If you were born in 2023, 2011, 1999, 1987, 1975, 1963, 1951, 1939, 1927 or 1915 then you could be in the Year of the Rabbit (The 2023 New Year was on 22 January).