Maker / backmark - Firmin. Here is a very nice original uniform button. Good unpolished condition. Listed in good faith and to the best of my knowledge and abilities.
Irish Army Button 4th Royal Irish Dragoon Guards Late 1800's 1900's Dowler
Irish Army Button Royal Irish Rifles 1800's QVC Hobson 19 mm
Irish Army Button Connaught Rangers Elephant Hobson 23 mm
Irish Army Button Galway Militia 1793-1829 Jennens 16 mm
Irish Army Button 101st Royal Bengal Fusiliers 1860-1881 Firmin 25 mm
Irish Army Button 88th Connaught Rangers Regiment Of Foot 1860-1881 Jennens 22mm
