Both come with certificates supplied by the original sellers. Both are clean, tight copies.The dust jackets are in protective covers so they are in mint condition. The item "Jurassic Park Lost World Signed First Editions Mint Michael Crichton" is in sale since Thursday, March 15, 2018. This item is in the category "Books, Comics & Magazines\Fiction\Crime & Thriller". The seller is "coverld" and is located in Glossop. This item can be shipped worldwide.