The Grave stone on which are carved the Hebrew letters (right to left): – Cheth, Vau, Resh, Mem; below these: – Alepth, Beth, Yod. Below this inscription is an equilateral Triangle enclosing the Hebrew letter Yod.
Often on third degree tracing boards, you see the letters H and A in Masonic cipher or M and B. The former refers to Hiram Abiff, the latter to the password of the third degree. Here we have Hebrew letters spelling: CVRM ABY, which -I suppose- stands for “Churam (Hiram) Aby (Abiff).
A.&.A.R. the Intermediate Degrees 1º – 17º G.E.W. Bridge (1974)