Hi, @SteveVDK was right; next to the coin was the incorrect 1881 image from a registered auction from the type:
N#17627
I just removed it (it must have been when @rsirian1 looked, what a coincidence, hehehe) and added a new image of the correct 1881 coin from an Aureó & Calicó auction.
N#14830
Interestingly, the first type of coin is extremely rare for 1881, while the second type is much more common. See the difference in the auction price in the following image:

Many thanks to both!
Please, mark this Topic as SOLVED.
Coin referee for: Andorra, Equatorial Guinea, Marshall Islands, Moldova, Liberia and Spain
Banknote referee for: Andorra, Equatorial Guinea and Spain