Cap Badge - South Irish Horse This badge was sold by Jim Purdy for $85.00 on e-Bay in the Spring/Summer of 2017. This badge was deemed irrelevant to the museum. The money was used to purchase relevant badges for the collection. The South Irish Horse was a Special Reserve cavalry regiment of the British Army. Formed on 2 January 1902 as the South of Ireland Imperial Yeomanry. It was renamed as the South Irish Horse from 7 July 1908 and transferred to the Special Reserve (Cavalry). After fighting in the Great War the unit was disbanded in 1922 following the implementation of the Anglo-Irish Treaty.