WMF 4-piece silver-plated coffee set with Asian bamboo decor from the attic

I leave it to you to make the whole thing shine and polish the inside of this rare coffee service that I just found in the back of the attic of a bourgeois house The lid of the teapot is disjointed Some very slight dents The hinge of the sugar bowl is broken Coffee pot height: 19 cm Coffee pot diameter: 12 cm Teapot height: 17 cm Teapot diameter: 12 cm Sugar bowl height: 12.5 cm Sugar bowl diameter: 11 cm Milk jug height: 10.5 cm Milk jug diameter: 7.5 cm.