Depending on the viewing angle, the colour of the 50 in the lower right corner on the reverse side changes from magenta to dark green. It is important to note that this is not just an effect of brightness, but a real colour change.

When you hold the banknote against the light, the incomplete lines of the front and reverse side add to the value numeral 50 in mirror writing. This effect can be seen from the front side in normal writing.

When you hold the banknote against the light, the value numeral 50 in mirror writing in the watermark is brighter than the surrounding paper. There is no dark outline around the numeral. When you lay down the banknote on a dark surface, the value numeral "50" appears to be darker than the surrounding paper. This effect can be seen from the front side laterally reversed.

At several places of the banknote motif, there is microlettering, which looks pin sharp even under a magnifying glass.

The security thread can be seen as a dark line in the middle third of the banknote. In the security thread 50 EURO in small letters and "50" in microletters, alternating in normal writing and mirror writing.

Using a IR display unit, the banknote number in the upper right part of the banknote can be read. The rest of the motif nearly is invisible.

The paper is dull, the map, the bridge and further elements glow green or yellow. Fibers embedded in the paper glow in green, red and blue. The watermark is not visible.