Glossary of Tax Stamp Terms
There are 69 entries in this glossary.O
| Term | Definition |
|---|---|
| Offset printing |
the technique whereby ink is spread on a metal plate with etched images, then transferred to an intermediary surface such as a rubber blanket, and finally applied to paper by pressing the paper against the intermediary surface. Also known as lithography |
| Optically variable device (OVD) |
visible features with dynamic characteristics that change according to the viewing angle – for example from one colour to another, or from one image to another |
| Overt |
features that are apparent and visible, and can be viewed without additional readers or instruments. |
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