50 Pence - Elizabeth II (5th Portrait) - Alan Turing (Silver Proof)

50 Pence - Elizabeth II (5th Portrait) - Alan Turing (Silver Proof)

Image of the coins obverse
Image of the coins reverse

Obverse: © The Royal Mint

Reverse: © The Royal Mint

Commemorated Event


Life and Legacy of Alan Turing

Description


The seventh release in the Innovation in Science series to celebrate the life and work of Alan Turing, this coin features a set of hidden codes:

Code 1: The 3 words ‘GEARS GRIN THAN’ when entered into What 3 Words take you to Cambridge University, where Alan Turing Studied Mathematics.

Code 2: ONLY A FORETASTE OF WHAT’S TO COME - This quote came from his reflections of his code-breaking machine, Bombe.

Code 3: CD AND MD, the designers initials.

The coin was issued individually in BU, silver, and gold.

Key Details


Country

United Kingdom of Great Britain and Northern Ireland (GBR)

Issuer

The Royal Mint

Currency

Pound Sterling (decimalized)

GBP - £

1971 - to date

Type

Non Circulating

Year

2022

Alignment

Medal ↑↑

Shape

Heptagon (7 sided)

Diameter (⌀)

27.3 mm

Weight

8 g

Face Value

50 Pence (0.50 GBP)

Demonetized

No

Composition

Silver (.925)

Series

Innovation in Science

Obverse (heads)


Obverse Description

Fifth crowned portrait of HM Queen Elizabeth II, wearing the George IV State Diadem crown, with legend around.

Obverse Designer

Jody Clark

Obverse Lettering

ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2022 ·
J.C

Obverse Unabridged Lettering

Elizabeth II Dei Gratia Regina Fidei Defensatrix

Obverse Lettering Translation

Elizabeth the Second by the Grace of God Queen Defender of the Faith

Reverse (tails)


Reverse Description

An image depicting a cogwheel accompanied by inscription set against background of letters which include hidden codes.

Reverse Designer

Matthew Dent

Christian Davies

Reverse Lettering

ALAN TURING

Edge


Edge Description

Plain

Mints


Royal Mint, Llantrisant

1968 - to date

Mintage


2022

Proof