The Metal Nib is a historical item that can be found by Emile while in the train station during Chapter 1.
Location[]
After climbing the ladder onto the top of the train, head all the way right and the item can be found on the ground at the very end of the last train car.
Description[]
"In 1914, biros did not yet exist and at school children learned to write with metal nibs, or more often (and especially in the countryside) with whittled goose feathers. The sheer volume of war correspondence saw metal nibs become more widespread."