I found in a flea market the coin in the picture. I have checked every single one of the possible coins in numista and I am convinced that the one I have is this one
You are on the right track, yours looks to be a 1908 variant.
Can you provide better pictures? These ones are quite blurry to confirm.
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.
Your coin would either be a Y#10k.10 or a Y#10k.12. Hard to tell on picture, but with coin in hand you can try to distinguish if you see a dot or a dash after the word COIN at right of dragon's head.
dot = Y#10k.10
dash = Y#10k.12
Do you know weight and diameter?
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.