3th pattern RLB buckle – Overhoff & Cie, Lüdenscheid

3th pattern RLB buckle – Overhoff & Cie, Lüdenscheid. Very uncommon buckle for the Reichs Luftschutz Bund with full Overhoff mark on the reverse. Aluminium construction with no sign of wear and can be graded near mint to mint. Excellent piece!