Brass Nameplate NANCY. Ex Class 20 locomotive number 20901, originally D8101 later 20101. When purchased by Hunslet - Barclay, it was named in May 1989 after Nancy Law, Secretary to the Managing Director of the company. The loco was used extensively on Weed Killing trains and is well photographed (images on the internet) with the nameplate under the number, on the cabside. The plate is 23