A later variation on the masonic cypher, first recorded by Edward Somerset. Also see George Olivers Discrepancies of Freemasonry...; a purported Knights Templar cipher; another purported Knights Templar cipher; and a 1908 English gravestone.
Masonic treatise with an elucidation on the religious and moral beauties of freemasonry... (second edition, with many valuable Additions). An elucidation on the masonic plates consisting of sixty-four different compartments.... W. Finch. Canterbury : Printed by J. Atkinson, Deal, 1802 . 103 p. [iii] plates 80 p. - detail of first plate.