Mad Magazine  I inspect the magazines before sale and put them in magazine bags. I do not want to give you a product less than you expected.  I am not an expert. The following is my opinion
I rate these on a 1-10 scale and the rating I give is the minimum. 
  #        Opinion
501 Has small wrinkle on top right edge of cover  My opinion 7.5 - 8
474 has Dust cover  loose. Cover has full sheen no wrinkles right edge little Inside right edge wear 7.5 minimum
260 left side tears wear staples left top edge not flat. Cover has sheen No wrinkles inside very good 7 ish
245 left edge does not lay flat wear on left edge. Staples intact 7-8
244Left edge higher rest stays flatStaple edge intact, but starting to go. Wrinkles on cover and corners 6-7
248 Worn Staple intact.cover mini wrikles. Corners not worn 7 ish maybe higher or lower
212 Nice all around it is aging. Well kept and read a few times 7 ish
202 has brown Dust Cover. Corners have little mushing. rest is great 7.5 +
195 "   "      "         "        "    Dec 1977 yellowing around edfges. Exhibits ;little wear. 7.+
194 "   "      "         "        "    Left edges and left corner have wear/Right edges as well 6+
193  "   "      "         "        "    Cover has long wrinkle . Pages have yrellowing 7 +
144 July 1971 well kept, but worn arounf edges. Was not kept in a magazine bag  6+

I bag these before I sell them.