National Provincial Bank Ltd., Holborn Circus Branch, Holborn Circus, E.C.1, 19(35), type 17g
National Provincial Bank Ltd., Holborn Circus Branch, Holborn Circus, E.C.1, 19(35), pay to Order, blue oval duty stamp, printed by Bradbury Wilkinson & Co. Ltd.,† mauve underprint, grey security panel, crossed 'not negotiable', used, type 17g