Stephen Hawking 2019 50p Coin Gift Pack - Coin Card
Stephen Hawking 2019 50p Coin Gift Pack - Coin Card for only GBP £20.00
An uncirculated 50 pence coin commemorating the late physicist Stephen Hawking, who passed away in 2018 at the age of 76. Written above his name on the coin is the Bekenstein-Hawking formula, which describes black-hole entropy, and shows that the surface area of a black hole expands as it consumes more matter.
Included is a special first day cover featuring the six dynamic stamps from the 100 Years of Relativity issue and a unique postmark for the first day of issue. This cover comes with a filler card with issue text written by Prof. Stephen Hawking, Prof. Malcolm Perry and Sasha Hajnal-Corab. On the back of the envelope there is also a further endorsement from Stephen Hawking.