1784 cavalry sabre, known as the Arco.

Brass mount with a guard featuring four fleurons adorned with a fleur-de-lis modified during the Revolution, and a guard tail decorated with fleurons and hallmarked by Bish and Juchereau (Klingenthal, c. 1784–1786), a mark also found on the blade.
Features a leather thumb rest (damaged). Round
perforated cap, wooden tang covered in leather, filigree missing.
Strong straight blade with two fuller lines.
France, late Ancien Régime period.
Total length 114 cm.

Expert: Alban Degrave