German Wehrmacht Heer belt and buckle RSS

German Wehrmacht Heer belt and buckle in very salty condition. Heavily used condition. Aluminum Gott Mit Uns buckle with Heeres eagle is marked with RS&S (Rudolf Souval & Sohn). The buckle is period repainted by owner, with fat layer of field grey paint, then it's hard worn, and most of even repaint is missed. The leather belt is in size 95, maker marked Max Koberstein 1940 year. Seems the belt was hard used  during all ww2 period and saw many battles.