An Unusual Aluminum Self Securing Belt Loop by Schmölle & Co., Menden

Aluminum, 21 mm x 64.5 mm u-shaped bracket with die-holes at either end, a flap with projecting points affixed on its ends and fitted into the die-holes on the bracket, maker marked Schmölle & Co., Menden insignia on the reverse of the flap, one end of the bracket folded over and housing a trapezoid-shaped ring, light contact, near extremely fine.