Uncle Joe's Mint Balls Uncle Joe's Mint Balls Uncle Joe's Mint Balls are mints produced by Wm Santus & Co. Ltd. in Wigan, Greater Manchester, England since 1898. Despite their name, the mints are not truly spherical but oblate spheroids. The ingredients of Uncle Joe's Mint Balls are: pure cane sugar, oil of peppermint and cream of tartar and are described on the tin as "suitable for vegans". The words "Gluten Free" are also on the tin lid. The early mint balls were made by William Santus' wife, Ellen, before production moved to a factory near Wigan Wallgate railway station in 1919. The packaging,
Royal Australian Mint engravers, a laboratory, and a vibration-free basement where coinage is measured to ensure correct size and weight. The mint is an Australian Public Service agency, staffed through the Department of the Treasury. During 1984-1986 renovations were carried out to support the increasing demand for the production of collector coins, and also to improve the visitor facilities. Visitors can mint their own legal tender coin using visitor presses. The mint serves primarily to manufacture Australia's legal tender precious metal coins. Notes are produced by Note Printing Australia in Melbourne. The mint also produces medals for military and civilian honours, most notably