Security features: 50 litas (issued in 2003)

Notable security features of the banknote:

Watermark–a multi-tonal portrait of Jonas Basanavičius, visible when the note is held up to the light. Strip printed iridescent inks visible when the note is titled towards the light, with an emerging inscription LTL 50. See-through feature, a geometric figure, front to back in perfect register. Two latent numerals on the iridescent strip emerge when the banknote is viewed at an acute angle. A glossy windowed security thread with a repeated small-size inscription 50 LTL. When the banknote is held up to the light, the full length of the thread is visible.

Other security features:

1. Special paper of white colour characterised by a specific crackle, non-fluorescent under ultraviolet light.
2. Watermark–a multi-tonal portrait of Jonas Basanavičius visible when the note is held up to the light.
3. A windowed security thread with the repeated microtext 50 LTL, fluorescent under ultraviolet light in rainbow colours.
4. See-through feature, an image of a geometrical figure, front to back in perfect register.
5. Denomination numeral 50 repeated vertically twice to the right of the portrait becomes visible when the note is tilted towards the light.
6. Strip printed in iridescent inks to the right of the portrait visible when the note is tilted towards the light at an acute angle, with an emerging inscription LTL 50.
7. Recognition sign for the blind–two raised isosceles triangles.
8. Raised intaglio printing of the portrait, ornamental bands, inscriptions, denomination numerals, the drawings on the back of the note and the state emblem provides a tactile surface easily distinguished by touch.
9. Latent image (denomination numeral 50) on the right side of the top ornamental band visible when the note is tilted towards the light at an acute angle.
10. White lines is intaglio printed inscriptions LIETUVOS BANKAS, PENKIASDEŠIMT LITŲ and denomination numerals.
11. Repeated microtext LIETUVOS BANKAS: above the bottom ornamental band on the front and above the top ornamental band on the back and on the vertical edges of the fine line structure on the back.
12. Repeated microtext 50 LTL on the back, in the part of the image above the bottom ornamental band (in the pavement of the Cathedral Square).
13. Elements (front and back) intended for the anti-colour copier protection: multicoloured top and bottom edges of the banknote, security line structure, specific fine line patterns.
14. Invisible fibres embedded in the paper fluorescent under ultraviolet light in red, green and blue.
15. Orange outline of the numeral 50 fluorescent under ultraviolet light in orange.
16. Vertical serial number fluorescent under ultraviolet light in green.
17. Rectangle with four denomination numerals printed in invisible inks fluorescent under ultraviolet light in light green.