This item was donated by Sgt Reginald Matheson (15233) who was with the Royal Regiment of Australian Artillery and served in Vietnam with 1st Field Regiment from May 1966 to May 1967.On photographic gloss paper is the story of the Triggers Family trip to the Mangrove Mountain RSL to see the gun that Sgt Reginald Matheson used during the Battle of Long Tan. There are four coloured photographs and a black and white photograph with information under each of them. Also is a letter with more information is a letter from his brother Malsgt reginald (reg) matheson, 15233, royal regiment of australian artillery, 1st field regt, battle of long tan