cover John P. Lovell Arms Co., three small designs (premises, revolver and portion of shotgun) on front in pale blue, overall illustrated ad on reverse in black for police equipment (handcuffs, police whistle and billy club) on 1893 Lovell Arms Co. illustrated ad cover, franked with 2c Carmine (220), tied by Boston, Mass. machine cancel, cover very slightly reduced at R. (barely clear of one design), without flap, otherwise very fine