Posted in Brit. Yeomanry Buttons Westminster Yeomanry Dragoons Uniform Button Mike March 15, 2020 Leave a comment The arms of the City of Westminster with the letters ‘TY’ below. ‘TY’ = ‘Territorial Yeomanry’.This example in brass, 23mm diameter, no maker mark. 23mm, 20mm, 16.5mm (last in gilt). Author: Mike