They have NO PRICE on the front cover! They are thinner, because they don't have ad pages inside.
The back cover is different. The Golden Record reprints represent an affordable way to acquire these early iconic comics and are very collectable in themselves.
This is a lovely copy, very straight, but has yellowing to the page edges; see pictures for reference. The item "Journey into Mystery #83 The Mighty Thor, Golden Record Reprint, 1966 Comic only" is in sale since Saturday, August 31, 2019. This item is in the category "Books, Comics & Magazines\Comic Books & Memorabilia\American Comics\Comics & Graphic Novels". The seller is "ed_willett" and is located in Crickhowell. This item can be shipped worldwide.