1066 - and all that
(1967 or 68)

Undated but believed to be 1967 or 68.

Among the guest appearances (willing teachers) is P. Grinham. According to the relevant staff photos and school magazines, Mr Grinham was JC. Grinham and in some places C. Grinham. He joined the staff in Jan 66 and left in July 68.