. "18th century (?)" . "probably 18th century" . "Mid\u201318th century" . . "Louis XV period, Mid\u201318th century" . "1701=1800" . "1701 / 1800" . "S. XVIII (?)" . "1701-1800" . . "probably 1700s" . "18th century?" . . "mid\u201318th century" . "1701/1800" . "Probably 18th century" .