Coffin (death symbol)
See: Death's Head (Skull & Bones)
COFFIN has always symbolized death. It is found on tracing boards of the 18th century and, in that time, constituted a part of the esoteric symbolism. 23. SKULL AND CROSS-BONES are symbols of mortality and death and are so used in French degrees. 24. SPRIG OF ACACIA. The acacia tree is supposedly the shittah wood of the Old Testament. The name is sometimes spelled Cassia. It has long been used as a symbol of immortality.