A switch stand for a railroad switch permits the switch to be locked against unauthorized movement of the switch. The device has a receptacle which can receive one or several covers for sample containers, another receptacle which can receive one or several sample containers, and a mechanism. Each compartment contains a prize, such as a diamond. The porous body is attached to the surface and the outlet end is connected to the attachment member in order to permit the supply via the channel. In another aspect, the thin-film ink-circuit security device printed on a surface of the cover board is concealingly covered by the inner or the outer liner.