Looks like one of the very numerous "Sudan" issues only one that was never finished. The battle of Sudan took place in 1870 but all of the Napoleon III bronze coins were targeted for carving. The clue is the military helmet that has been placed on his head.
There were even some satirical tokens made for the Sudan war. These are very interesting tokens and form an entire sub-field.
There were even some satirical tokens made for the Sudan war. These are very interesting tokens and form an entire sub-field.





















