Local, an image of a fragment of fretwork on the Radziwill’s Castle ceiling and a light element – letters "НБРБ"
Security thread
Metallized with holographic effect of the window (diving) type, 3 mm wide, with text "НБРБ"
Latent image
Letters "РБ" are visible at a certain view angle
See–through register mark
Non–colored element of the of the obverse is filled with the color of the fragments of the reverse thus forming a finished (one and indivisible) design
Intaglio printing
an image of the Radziwill’s Castle, denomination value in figures and in letters and other text details are raised and can be easily detected by touch
Security pattern
Consists of thin, dotted lines as geometrical figures
Microperforation
Letters "НБРБ" formed by microholes appear which look like bright spots
Blind Code
Special signs for determining banknotes' denominations made by using raised printing
Non–colored stamping
Non–colored relief image located on the non–printed part of the banknote and visible under oblique light
Optically Variable Ink (OVI)
The image of the coat of arms of the Radziwill family, located above the main image, changes its color from golden to green when the banknote is given a tilt
Fluorescence under UV light
OBVERSE: security fibers <br>REVERSE: the rectangle bearing denomination value "100000", left bottom serial (horizontal) number, the security fibers
Microprint
Continuously repeated text "НБРБ" and denomination value "100000"