Gaertner, Johann Philipp Edward – Office of Prince Wilhelm in Sans-Souci Hermitage ~ part 03

The picture has something of this: room, furniture, house, indoors, home, window, door, chair, inside, family, table, architecture, seat, interior design, apartment, trading floor, wood, curtain, luxury.
Perhaps it’s a painting of a group of people standing in a room with a piano in the middle of the room and a dog laying on the floor in the.