The Britannia 2023 UK 1oz Silver Proof Coin, Limited Edition 3450. The Britannia coin for 2023, struck in one ounce of 999 fine silver to Proof standard. For 2023, Britannia is drawn in a chariot by mighty sea creatures, in a design reminiscent of the iconic Boadicea and Her Daughters statue next to Westminster Bridge. Each evolution of the Britannia coin represents Britain at a moment in time, charting the nation’s history and the values it upholds. Struck to Proof standard, Britannia coins combine the skill of the artist with the finest craftsmanship to create a work of art.