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Specimen Printing features

obverse
Continuous background with special ink

Letterpress numbering with invisible
fluorescent green ink
Offset background with negative microtext

Offset background with crystal pattern

Intaglio printed threads

Intaglio printed guilloche

Embossing effect and 2-colour security background

reverse

2-colour rainbow printed title

See-through registers

Clear window area

3-colour digital engraving

3-colour guilloche

Multicolour guilloche
Offset printed see-through registers