Set of 6 Rosenthal paper bag vases by Tapio Wirkkala, 1970s

Set of 6 Rosenthal paper bag vases designed by Tapio Wirkkala from the 1970s. The set includes vases in various sizes: 15.5 cm height, 10.5 cm width, 7 cm depth; 10.5 cm height, 6.5 cm width, 6 cm depth; 22.5 cm height, 11 cm width, 7.5 cm depth; and 19.5 cm height, 12.5 cm width, 8.5 cm depth. The condition is mint. Made of porcelain.