I finally located the coin and its current price. :) Please view this
auction currently on Ebay UK to confirm the coin as you described it
in your question:
From your description of the date, coin text and images, this appears
to me to be the coin you have in your possession. Its current auction
value is £61.03 (approx. $111.28 American dollars).
The description indicates that it is St. George and the Dragon on the
reverse of the coin (St. George on horseback) and the coin is 22 carat
Largest image of the back:
Largest image of the front:
Also, the auction mentions the Westminster Bank and shows the original
coin sleeve so it would appear this was a bank-issued commemorative
gold coin. Keep in mind that the value may be slightly decreased if
you do not also have the original bank sleeve. The auction offers it
in its original issue form (you didn't mention a sleeve in your
Also, keep in mind that handling the coin excessively may cause minor
wear and slightly decrease its value.
Thank you for allowing me to play Nancy Drew on this question. :) I
hope you are pleased with both my research and the coin's current
value (continue to watch this auction as the bid price may rise - the
auction ends tomorrow, June 16).
Also, I did additional searches for references to the Westminster Bank
and this issue but found no clues regarding the coin's original
Should any of my links fail to open properly, please request a
clarification before rating and closing the question as I will be
happy to respond further.
Elizabeth stallina coin
"Elizabeth Dei-Gratia II" gold
Elizabeth 1965 horseback 22ct coin
westminster bank 1965 gold coin
"westminster bank" gold commemorative coin OR coins
"westminster bank" gold sovereign
"westminster bank" gold half sovereign