i just got these for £2 each, all original pressing 12":

Blue Oyster Cult - Blue Oyster Cult
Blue Oyster Cult - Cultosaurus Erectus
Judas Priest - Defenders Of The Faith

the artwork on all of these is ACE in 12" format...
http://www.truemetal.org/metalwallpaper/images/defendersofthefaith.jpg
http://content.answers.com/main/content/wp/en/2/29/Blue_Oyster_Cult-Blue_Oyster_Cult.jpg
http://www.vinyl-basar.de/catalog/images/cultosaurus-erectus.jpg

the Cultosaurus one also has a sticker on it saying 'Think the sleeve's good? CHECK OUT THE POSTER INSIDE!!!'

and lo and behold, i now have a massive poster of phallic dinosaur. I win.