Identifying a valve cover

[topher5150]

So I gots this valve cover, I know it's Ford V-8 I was thinking it was a 289, but from what I've seen they have breathers on them, could it be from a 260?

 

[chris2523]

http://www.fordification.com/tech/engineID-V8.htm

as far as i know, valve covers come in families. so it could be from any engine in that family.