Simple line drawing-black ink of the Monad Glyph for John Dee-Philosopher,Alchemist,Scholar and believed by the Rosicrucians to be the sole embodiment of knowledge and wisdom in the known Universe-1400 A.D. First tat I got, Valentines Day 2004 courtesy my HOnee! I now have four and probably won't stop - each has a distinct meaning to me, SenorDoog