The 2019 Stephen Hawking Silver Proof 50p design by Edwina Ellis shows a black hole and the entropy equation. The coin is struck in 925 sterling silver and finished to Proof standard. The outer card packaging contains a booklet and a black presentation box with the fifty pence mounted in a plastic coin capsule and the certificate of authenticity in the lid. This is a limited edition presentation of 5,500.
|Royal Mint product code:||UK19STSP|