Security Element:

OVI (optically variable ink)

Technique:

intaglio printing

Security Element:

latent image

Technique:

intaglio printing

Security Element:

guilloches / fine line patterns

Technique:

offset printing

background/ security printing

Security Element:

schablon (stencil) multiple colouring process

Technique:

intaglio printing

Security Element:

microprint

Technique:

intaglio printing

Security Element:

bleeding ink

Technique:

letterpress printing

serial number