The coin pictured on that page is actually KM#Pn4, an Essai, not the KM#19. Here is the link to the Heritage Auction page. Here is the real KM#19 that doesn't have "ESSAI" on it.
Right, I just submitted request with new pictures.
Sapientiae plerumque stultitia est comes.
Si c'est un grand plaisir d'être reconnu par ses amis, c'est peut-être encore plus flatteur d'être reconnu par ses adversaires.
Be yourself; everyone else is already taken.