Sauce boat on a scalloped tray in silver metal

This elegant sauce boat is made of silver-plated metal (hallmark present), it is fixed on a scalloped tray, it is decorated with a double contoured net. It comes from the hallmark of the Sannois goldsmiths Roger and the weight of the silver is 20. In beautiful condition, I note micro scratches from use and some oxidation. The photos are also part of the description. 10 cm high, 20 cm wide and 9 cm deep. The tray measures 26 / 18 cm.