Antique Draughtsman's Pocket Ruling Pen Set, English, Architect, Instrument CaseOur Stock # 18. 7829 This is an antique draughtsman's pocket ruling pen set. An English, silver nickel architect's instrument case by A. G. Thornton of Manchester, dating to the early 20th century, circa 1920. Appealingly portable ruling pen set Displaying a desirable aged patina Silver nickel nib attachments in very good order Presented within a textured carry case with pleasing tactile feel Comprising 4 pieces three ruling pens and screw in pen body