I have come across this a few times in collecting world coins. I came to understand that with some countries there seems to be such small need for coins that they don't mint a new one each year, just make more of the same from a previous year. They are usually fairly lower mintage numbers for these ...

un sou = half penny
deux sous = penny

https://www.coinsandcanada.com/tokens-m ... 837&id=102
https://www.coinsandcanada.com/tokens-m ... 837&id=103

In 1905 they were all with coin alignment (upside-down)

https://www.coinsandcanada.com/coins-pr ... -1902-1910