iTunes and Contacts are only showing illegible characters

I must have deleted one of the system fonts! Now iTunes and Contacts are only showing illegible characters.

Is there any way to restore them? I migrated my old data from an old iMac to the new one, at one point it did ask about a font not being compatible or something, and i guess i made the wrong choice and deleted it/disabled it.

at the moment iYunes and Contacts only show illegible characters in the menu bar.