Solid brass lock trunk with key L:10.5cm H:12.5cm

New lock 

Total width  105 mm 

High 125 mm

Hauteur de la platine  70  mm

 Pour éviter  l'oxydation,  la piece  est dorée à l'or 

The most practical nails to fix it are: https://boutique.la-malle-en-coin.com/en/home/index/luxury-pieces/1-solid-brass-nail-8-5-mm-detail.html

you can :

either cold rivet them https://youtu.be/s9duH9HwmUs

either return them to the wood https://youtu.be/StrGTFbn8eI