Chev SBC Weber IDA manifold, used.
Originally off a show car and never run, it was plumbed with hidden lines (NOS ?) underneath but these have been blocked off with threaded brass plugs.
It is in excellent condition with suitable amount of patina, a light clean will have it looking like new. comes with chrome thermostat housing and threaded mounts for carb linkages.
http://www.trademe.co.nz/Browse/Listing.aspx?id=1276842876