Bay Sema from the middle Ayutthaya period are “closely tied” in the “hip” and carry a “Brust-Platte”. In the late Ayutthaya period “eyes” developed in the long run “were crowned” it even, which continued into the Rattanakosin period. Under king Mongkut (Rama IV.) the Thammayut medal was created; the Thammayut monks developed a three-dimensional (quadripartite) from the flat Blatt-Form, rather würfelförmigen stone