postcard photograph / Countess Markievicz et al, 1917

Countess Markievicz. Seated in group, probably 1917. Postcard photo including Eamon de Valera, William T. Cosgrave, Sean Milroy, Áine Ceannt and Count George Noble Plunkett. Pasted to little page of A Voice of Insurgency by Maeve Cavanagh (1916).;