koppelschloß

Hello all, buckle with what I believe is it’s original belt,all opinions very welcome,JJVW.

When I was out fishing on the internet last week I got this buckle as bycatch, as the fishemen say. The seller wrote it was sandblasted, and I have a feeling that it has been repainted with a matt silver colour. Is it an original? I have no idea. If it is original I will sell it here. If not...