RARE Original Large pre WWI Mansfield Massachusetts Military Academy 'CADET DRILL' 'FIRST PRIZE' Named Medal 3 Piece Pin Back Badge, with Rifle Suspension.  The Lower Reverse is nicely engraved with name 'Philip R. Comey', and the Center Reverse is engraved 'April 16th 1909'. approx 2 x 3.5 inches (I have scanned a quarter to better display the size only).