(i) signé et titré 'alighiero e boetti ''16 Dic. (ii) signé et titré 'alighiero e boetti ''11 Luglio 2023''' (au revers). (i) signed and titled 'alighiero e boetti ''16 Dic. (ii) signed and titled 'alighiero e boetti ''11 Luglio 2023''' (on the reverse)