Little coffin for the last hundred days of military service (France)

A rare small item, a lead coffin used by conscripts to celebrate the last hundred days of military service. It is inscribed in French: Décédé le...... Obligatory posthumous day imposed. Mr Cédupeu. Here lie 265 days. On the reverse, under the siren, ‘May your memory help me to return to you’. Old object from the early 20th century, the inscriptions are still legible, a skull can be seen appearing behind it. Height 8.5cm.