The wall painting which is visible above the level of the Church roof timbers depicts a circular painting known locally as the Crusaders shield.
It shows a pyramid surrounded by sun burst of rays, and within is written in Hebrew, the name translate as YHWH, and translated into English as “Jehovah.
It is believed to have been painted by the Knights of Saint John, who worshipped at this church at the time of the Crusades. The Knights of Saint John church can be found in the county of Dorset England
It became completely revealed when the ceiling was removed in 1927 during a complete renovation. If it wasn’t concealed in those early days it would have surely been destroyed by the Puritans
The Crusaders Church
Notice the word “LORD” in capital letters written in the Bible means יהוה, in Hebrew YHWH, and translated into English as “Jehovah
More on this at my site Knights Holy Quest