2D/3D holography master origination just has one layer Hologram image,. It doesn't have any other layers other than on surface. 2D Hologram has several color Hologram image or text on surface, without "virtual depth", but very shining, especially, it's big rainbow area. Most of flip-flop effect and most true color image is 2D on surface because it has best shininess.
Typically, there are 2 or 3 layers in one 2D/3D design. One layer is on the surface, other layers are in the mid-ground and background or floating. The effect is much like the flat scenery in a theatrical play arranged at different distances from the front of the stage to create the illusion of depth. 2D/3D Holographys have been intensively used on the commercial securities. The depth between the levels is the most important features of 2D/3D Hologram. Good 2D/3D Hologram Stickers has very good visual depth between different layers and shininess on first layer.