Testbanknoten: rare Test note which was produced by KURZ in advance to the issuance of the "EURO 1" series. This note with "50 Units" imprint shows a test of a special hologram foil to check which features would be suitable for Euro banknotes. In center the strip is overlayed with another liquid chrystal colored security feature. Hard to get, PMG graded 58 Choice aUNC EPQ.