Great Britain. 2018 The Queen's Beasts-Black Bull of Clarence Silver £5. Contains 2 Oz of .999 fine silver. It was certified First Releases by NGC, meaning that it was among the first struck by the mint and was verified within the first 30 days of issue and encapsulated in a special holder with an exclusive " the Queen's Beasts" label. NGC graded MS-69, Early Releases. Estimated Value $60 - 80