Impossible to be sure when made but every reason to beleive its from the WW1 period since the battalion ceased to exist in 1918
from the LLT
2/7th (Leeds Rifles) Battalion
Formed at Leeds, 15 September 1914.
1 March 1915 : attached to 185th Brigade, 62nd (2nd west Riding) Division. Moved on 1 March 1915 to Matlock and on in May to Thoresby Park, going on in October 1915 to Retford, November to Newcastle, January 1916 to Salisbury Plain and June 1916 to Somerleyton near Lowestoft. In October 1916 to Bedford and finally landed at Le Havre in January 1917.
16 June 1918 : reduced to cadre strength.
Cadre returned to England and was absorbed into 18th York & Lancs on 19 June 1918.
Very nice item, I have ones to the Welsh and the Royal artillery
Thanks again for your help, it was the same as the cap I brought, I wasn't sure if it was WW1 but for the tenner they wanted for it I thought it could be a bargain.