Bulgaria introduces first note of new series

The Bulgarian National Bank has announced it will introduce an updated deign of its 100-lev banknote. This banknote is the first of a new series. The basic design of the new series is pretty much the same as the existing banknotes but the security features have been updated.

The updated banknote will be available from 28 December 2018.

Additional sign for blind people: consists of five thick and six thin lines located at an angle of the two short sides of the banknote.
Hologram band with optical effects: alternating images of edelweiss and the profile of Aleko Konstantinov; color holographic portrait of Aleko Konstantinov; detail from a monument of Aleko Konstantinov, changing its color from emerald green to sapphire blue; dynamic chess effect with change of color from emerald green to sapphire blue and a three-dimensional image of the number 100.
Optical ink: the number 100 is printed with color changing ink with a dynamic chess effect that changes from emerald green to sapphire blue (SPARK).
Security thread: embedded in the paper and partially protruding from the reverse side with a light repeating text "BNB 100" and with a dynamic chess effect, changing its color from emerald green to sapphire blue. The image of the repeating text "BNB 100" is read from the front when the banknote is placed against a light source.
High-resolution watermark: observed when the banknote is placed against a light source. It consists of a high resolution halftone image of the portrait of Aleko Konstantinov. The images are also seen on the reverse side of the banknote.