Test Note produced by De La Rue Currency dated around 2011 with portrait of Albert Einstein. The note has the ficitve denomination "50" and is horizontally designed on front, vertically designed on back. It is intaglio printed on real banknote paper with several security features. At left side on front the note has a broad holographic security foil, the same type that was later used on the banknote Kazakhstan 5000 Tenge 2011. Furthermore the note has a windowed security thread with imprint "E=MC2" and a watermark (portrait of Einstein) at right. Condition: aUNC (a slight dint at left border).