Authentic Terracotta Oil Lamp Candil Ancient Roman? to identify

3 chairs and 2 armchairs in wrought iron and caned rattan vintage year 50 beautiful condition armchair without defect the chairs just wear of the color in places small losses on 2 chairs on the edge see the photos. Chairs: height 94 cm. Width 41cm. Depth 38 cm. Seat height 45 cm. Armchairs: height 94 cm. Width 52.5cm. Depth 46 cm. Seat height 45 cm.