Insignia of a viscount (beret, helmet, crown symbols).Vintage book illustration (encyclopedia plate, chart, line art) from Larousse du XXème siècle 1932. Public domain.Éditions Larousse is a French publishing house specialising in reference works such as dictionaries. It was founded by Pierre Larousse and its best-known work is the Petit Larousse.
Original public domain image from Wikimedia Commons