Saw this listing on eBay with what looks like other chips from the same family. https://www.ebay.com/itm/OQ-1xx-Vintage-GOLD-ceramic-IC-for-collection-or-scrap

Saw this listing on eBay with what looks like other chips from the same family. https://www.ebay.com/itm/OQ-1xx-Vintage-GOLD-ceramic-IC-for-collection-or-scrap-like-Intel-C4004-/254833220887?_trksid=p2349624.m46890.l49286 https://www.ebay.com/itm/OQ-1xx-Vintage-GOLD-ceramic-IC-for-...