 The study reports on total energy electronic structure calculations in density functional theory for ultra-thin silicene layers on AG 111, surfaces revealing several stable silicene structures and their structural bestability and tristability. The calculated scanning tunneling microscope images match experimental observations, and the absence of Dirac states is found due to covalent interactions at the silicene AG interface and SISI interlayer. A new state near the femilevel composed of pi orbitals on the surface layer of dollar-backslash SQRT-3, backslash times backslash SQRT-3, dollar-multi-layer silicene is discovered, exhibiting linear energy dispersion and robust surface-related pi states on AG surfaces. This article was authored by Shishinkua Anatsushiyashyama.