Laser Engraving.

Non-hologram transparent logogram and/or serial number can be overprinted by laser engraving. Here is our hologram sticker K0306 where words "SWORD" and "MASTER" made by laser engraving. A background on which the sticker is used is visible as a fill pattern. On a white paper the image will be white. On black paper - black, etc.

Non-hologram logogram and/or serial number can be overprinted with black ink.