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On the sign:
A M D G [the cross is part of the coat of arms of St Chads College] 15th DECEMBER 1961
The dining hall on which the sign is located was photographed that day by the same photographer Click for a larger image
On the stone appears the cross that is the symbol of the college, the letters written in the four corners are not clear.
Above the sign is the college emblem, and at the bottom is the college motto NON VESTRA SED VOS Not what you have, but who you are Click for a larger image