decalcomania(n = noun.artifact) decal - either a design that is fixed to some surface or a paper bearing the design which is to be transferred to the surface;
decalcomania, n. US 1 a process of transferring designs from specially prepared paper to the surface of glass, porcelain, etc.
2 a picture or design made by this process.
Etymology
F d{eacute}calcomanie f. d{eacute}calquer transfer