51th Auction - Day 1

Testbanknoten: Set of 2 promotional folders of Papierfabrik Louisenthal (Germany), one with a bankno
Set of 2 promotional folders of Papierfabrik Louisenthal (Germany), one with a banknote sized watermark sample for the "Cylinder Mould Watermark", showing 3 different portraits of the famous "Yvonne" portrait which is commonly used on Louisenthal Test Notes; the other one with a banknote sized sample of the "Hybrid" substrate dated 2010, which is actually an unprinted version of the well-known "Yvonne Hybrid 2010" test note and already contains all security features on the unprinted substrate.