Group of 19th century desk items: two quill pen cutters, rosewood and ebony with brass and steel mounts, the ebony example with a folding knife blade; a four-blade folding penknife by Vernon & Sons, Sheffield, 7.5cm; ebony, ivory and brass 12 parallel wheeled ruler; rosewood parallel stick; mahogany and ebony set square; Pear's Soap ruler; nickel and steel folding corkscrew; James steel folding square drive key.