Na Fianna Éireann (tw) mural in Ardoyne with easter lilies on each side of the Fianna’s ‘sunburst’ (gal gréine) emblem (which also includes a pike or bill).
For a history of sunburst flags, with lots of images, see An Sionnach Fionn. A banner sporting an early version of the emblem, owned by Countess Markievicz during the Rising, was recently returned from London to Dublin (Irish Times).
Extramural Activity 