Saturn IV Booster (S IV B) complete contractor model found on eBay.
URL:
http://www.ebay.com/itm/Rare-Vintage-Saturn-IV-Booster-S-IV-B-Complete-Contractor-Model-/300643051227?pt=LH_DefaultDomain_0&hash=item45ffb8e6db
URL:
http://www.ebay.com/itm/Rare-Vintage-Saturn-IV-Booster-S-IV-B-Complete-Contractor-Model-/300643051227?pt=LH_DefaultDomain_0&hash=item45ffb8e6db