A collection of trench art converted shell button hooks

A collection of trench art converted shell button hooks, some plain, some with inscriptions, some with mounted cap badges to include three Canada, Bergerac, Le Treport, two inscribed Ypres, one inscribed Verdun 1916, aeroplane mounted example, three plain examples, Royal Marine Artillery, examples with mounted rampant lion, number 7, crown and star, Canada example in cross form and a button cross terminal example, all with brass and steel hooks, largest 19.8cm, smallest 11.7cm (19)