WW1 1915 Earl Derby recruitment scheme khaki arm band red crown pop fastner type

WW1 1915 Earl Derby recruitment scheme khaki arm band red crown pop fastner type. Good condition with official stamps on rear. These were introduced by the Earl of Derby for voluneered recruits to wear while waiting for their enrollment date. They helped to stop the man being given a white feather for cowardise in the street, showing that they were going to do thier bit. Excellent condition