All 20 packs are still sealed. I got these at a convention in the 80s. I have no idea how to rate each pack's condition as I'm not a professional. I can say that most of the packs show some wear at the corners. The box is in fair condition with no major tears.
Please see the photos for more details. The item "1976 Topps Star Trek 20 Sealed Unopened Wax Packs With Box" is in sale since Thursday, December 10, 2015. This item is in the category "Collectibles\Trading Cards\Vintage (Pre-1980)". The seller is "char_trek" and is located in Concord, California. This item can be shipped to United States, to Canada, to United Kingdom, DK, RO, SK, BG, CZ, FI, HU, LV, LT, MT, EE, to Australia, GR, PT, CY, SI, to Japan, to China, SE, KR, ID, to Taiwan, TH, to Belgium, to France, to Hong Kong, to Ireland, to Netherlands, PL, to Spain, to Italy, to Germany, to Austria, RU, IL, to Mexico, to New Zealand, SG, to Switzerland, NO, SA, AE, QA, KW, BH, HR, MY, CL, CO, CR, DO, PA, TT, GT, SV, HN, JM.