The pure gold coin was issued by Sultan Mu’izz al-Din Muhammad, also called Muhammad Ghori.
The large coin from the Ghorid dynasty will come under the hammer of specialist auctioneers Morton and Eden.
Mu’izz al-Din Muhammad was born in Ghor, now the heart of present-day Afghanistan.
Together with his elder brother, Ghiyath al-Din Muhammad, they created a vast Ghorid empire stretching from northern India in the east to the margins of the Caspian Sea in the west.
It is Mu’izz al-Din’s successful campaigns in India for which he is most well-known today.
As swathes of Indian territories