Märklin H0 - 48122 - Model train freight wagon set (1) - Museum wagon 2022 - DB

Four-axle open self-discharging wagon type OOtz43.
With a medium-height upper body and welded bogies made of pressed sheet of the standard type. Red-brown basic livery with advertising lettering on the long sides.
Front railing broken off from the wagon
Private wagon from Stadtwerke Göppingen (SWG), operated by Deutsche Bundesbahn (DB). VW Bus T1 with luggage rack from Stadtwerke Göppingen.

is still in sealed plastic

See photos for a good impression