Translation please ramunno

[Koopin]

Last page is passport for my grandfather. Please

[arturo.c]

This passport is issued for Buffalo (??), valid for three years, free of charge in compliance with article 6, paragraph 4, of the Royal Decree 31st January 1901.
Piazza Armerina Aug. 26, 1906. Signed by the Underprefect.

[Koopin]

Thank you so much!