1 Corona 1908

A fej alatt vizszintes vonal látható, én még ilyennel nem találkoztam!
Szerintem különleges veret, vagy verési hiba ami forgalomba került.

Google Translate to the rescue:

"Under the head you can see a horizontal line, I did not even see that! I think it is a special mark or a defective mistake that has come into circulation."

I'm not so sure it's not residue or some other form of PMD, but I've been wrong before.