80th birthday of Queen Elizabeth the Queen Mother

Obverse

Second crowned portrait of Queen Elizabeth II right, wearing the Girls of Great Britain and Ireland tiara, legend around

Script: Latin

Lettering: ELIZABETH II D·G·REG·F·D·

Unabridged legend: Elizabeth II Dei Gratia Regina Fidei Defensatrix

Translation: Elizabeth II by the Grace of God Queen Defender of the Faith

Engraver: Arnold Machin

Reverse

Central portrait of the Queen Mother surrounded by a radiating pattern of symbolic bows and lions, which are an allusion to her family name.

Script: Latin

Lettering:
QUEEN ELIZABETH THE QUEEN MOTHER
AUGUST 4th 1980

Engraver: Richard Guyatt

Edge

Reeded

Mint

Royal Mint, Llantrisant, United Kingdom (1968-date)