At a glance it looks like an original hood to me. Assuming it really is cloth. That’s hard to tell in the pictures. Hopefully one of the real experts will chime in about the possible originality.
If it is original it would appear to be from either a 1965 or an early 1966 car. That based on the rivet holes for the hood pin plates. Those holes appear to be in the rough clock orientation of 2,4,8,10 o’clock. That would allow the hood locking clip to insert pointed directly at the windshield as was common to the 1965 and early 1966 cars. The later 1966 hoods had rivets at the 3,6,9,12 o’clock positions; causing the hood locking clip to point at an angle to the windshield so it didn’t sit on the rivets.
Steve