Banknote security features:
| Watermark | Watermark | Local, an image of a fragment of fretwork on the Radziwill’s Castle ceiling and a light element – letters "ÍÁÐÁ" | 1338
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| 1. | Watermark
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| Security thread | Security thread | Metallized with holographic effect of the window (diving) type, 3 mm wide, with text "ÍÁÐÁ" | 1340
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| 2. | Security thread
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| Latent image | Latent image | Letters "ÐÁ" are visible at a certain view angle | 1341
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| 3. | Latent image
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| See–through register mark | 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 | 1342
|
| 4. | See–through register mark
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| Intaglio printing | 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 | 1343
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| 5. | Intaglio printing
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| Security pattern | Security pattern | Consists of thin, dotted lines as geometrical figures | 1344
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| 6. | Security pattern
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| Microprint | Microprint | Continuously repeated text "ÍÁÐÁ" and denomination value "100000" | 1452
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| 7. | Microprint
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| Microperforation | Microperforation | Letters "ÍÁÐÁ" formed by microholes appear which look like bright spots | 1346
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| 8. | Microperforation
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| Blind Code | Blind Code | Special signs for determining banknotes' denominations made by using raised printing | 1347
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| 9. | Blind Code
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| Non–colored stamping | Non–colored stamping | Non–colored relief image located on the non–printed part of the banknote and visible under oblique light | 1348
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| 10. | Non–colored stamping
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| Optically Variable Ink (OVI) | 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 | 1349
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| 11. | Optically Variable Ink (OVI)
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| Fluorescence under UV light | Fluorescence under UV light | OBVERSE: security fibers REVERSE: the rectangle bearing denomination value "100000", left bottom serial (horizontal) number, the security fibers | 1350
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| 12. | Fluorescence under UV light
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