(under subclass 914) Stock material product under the definition of ... in which the purpose of the transfer or decalcomania is to indicate whether or not it or something else (1) has been touched without authority or (2) is genuine.
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199, for a product having a coating or impregnation which will indicate attempts at erasure or alteration.
488, for a product comprising a layer of paper and a transferable substance containing a pigment, dye or a color forming reagent, e.g., carbon or hectograph paper.