Cap Badge - The City of London Yeomanry This badge was sold by Jim Purdy for $35.00 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 City of London Yeomanry (Rough Riders) was a yeomanry regiment of the British Territorial Army, formed in 1901 and amalgamated in 1961.