Five-year-old Oscar could not resist trying out this First World War brass howitzer shell case for size when it was consigned to Sworders auction house in Stansted.The tot from Bury St Edmunds posed next to the military memento stamped 'Polte Magdeburg IX 17, 1285'.It is around 16in (41cm) in diameter and 31in (78cm) high – the same calibre as the shells from Big Bertha, the super-heavy mortar developed by manufacturer Krupp.Captain Robert Benjamin Grayson brought the shell case back from...
