Montegrappa, La Sirena gold and silver set, c. 1998, designed by Leopoldo Aquila, comprising an 18ct yellow solid gold fountain pen, decorated in high-relief with a mermaid over sea blue resin, with 18ct two-tone gold nib, together with a sterling silver ball ben similarly decorated, signed, with box and papers (2), approx. Weight 99 grams length 14.5 cm, 72.7 grams length 14.5 cm