Grunert Piano. Brand: Grunert. Serial: 6007. Model: unknown. Year: approx. 1920. Wood: Oak (lacquered). Dimensions: HxWxD 130x153x66 cm. Weight: approx. 200 kg. Keys: Ivory. EU certificate for species protection available. Front panels: Plastic. Lid: Lockable (key missing). No wheels. Previously used in primary school music lessons.