Polymer Test Note printed by De La Rue Currency in 2000 featuring a portrait of Sir Christopher Wren at right. Then note is intaglio printed on front and has a window with monogram at lower left in substrate. It is printed with serial number B300022 and shadow watermark (portrait of Wren) at upper left. The substrate that this note is printed on is the early type "Guardian" produced by Securency (today Innovia Films). Condition: UNC.