World War II Trench Art: group of trench art shell cases. 25 Pounder Mk II brass artillery shell dated 1940 with Australian Commonwealth Military Forces Rising Sun emblem & an engraved list of Australian military bases; 18 Pounder Mk III brass artillery shell mug, dated 1927 with British Royal Engineers emblem; 37 mm M4 brass artillery shell fired from the Bell P-39 Airacobra and the P-63 Kingcobra fighters during World War II, dated 1941 with Australian Commonwealth Military Forces Rising Sun emblem; 25 Pounder Mk II steel plated artillery shell ash tray with .50 caliber ball tip M2 bullet attached, dated 1941 with engraving that reads, 'To Maj. Hernfield, Dadst, From Aust Gen Tpl Coy' Items in good condition. (4)