Cross with a snake? Day writes: “the symbol of a snake entwined on a square cross”.
Cooper suggests that this is a symbol for evil, surrounded by the Holy Trinity.
Bernard Jones presents two late 18th century Irish Royal Arch jewels which both have a snake coiled around a pole very central.
Would the snake on a cross at the bottom of this panel have the same significance?
See here for more information about the Brazen Serpent.