Is this a correct 1972 Air Cleaner

[Billla]

Folks, I think this thread is OK but if not apologies in advance and please correct me on the right approach.

1. Can anyone verify that this air cleaner is a correct 1972 SBC?

http://www.warbird.org/photox/IMG_2387.JPG
http://www.warbird.org/photox/IMG_2386.JPG
http://www.warbird.org/photox/IMG_2388.JPG

2. If so, can anyone offer a suggestion for what something like this is worth? I'm less interested in making a ton of bux and more interested in getting this onto someone's restoration...but a few bux for it would be nice - I've got my own bad habits

THANKS!