2017 Silver Britannia Proof Reverse 2017 Silver Britannia Proof - This was the 20th anniversary of the Silver Britannia so there is a small trident with a 20 in the prongs on the right as a special mint mark.
2024 Silver Britannia 1oz Reverse RM 2024 Silver Britannia – 1oz Bullion – Charles III - One ounce silver coin (One Troy Ounce), denominated as £2 (two pounds). Alloy is 999 Fine Silver. Diameter 38.61mm.
2020 Silver Britannia BU Reverse RM 2020 Silver Britannia - The Reverse, by James Tottle, shows Britannia standing with shield and trident, waves and Union flag in background.