Fmly 7/4508, Silver War badge No.201617, what does that mean?
From your first post. This means he was Formerly 4508 in the 7th Battalion. They were a pre war Territorial Force who were given six digit numbers in March 1917.
Each SWB was stamped with a number and his was stamped with 201617.
The second card is for a Regular soldier who enlisted in 1904 with number 7676. At the time of his discharge he was serving in 85th Training Reserve Battalion, then based in Hornsea.
Ken