Bundaberg Underproof Rum is Australia's best selling rum brand. Bundaberg is an Australian distillery, founded in 1885 in Queensland, Australia. The distillery is located near sugar plantations, and rum was first distilled in 1888 as a way of using up spare molasses from the sugar mill. This rum particular expression is aged between 2 and 3 years. 37% Abv Bitter sweet. Toffee, palm sugar, rubber, grass, hints of raisins, hints of apples, with a short finish of Palm sugar, apples and grass. Underproof? If Ordinary gunpowder was saturated with the spirit, and if when it was lit, the powder flashed, it was "Overproof". If it did not, it was "underproof".