Metallica Kill 'Em All value

Based on the catalog data provided for these items, the Metallica – Kill 'Em All (Vinyl, LP) (Rock) is listed with a used value of $305.89 [1]. The Metallica – Kill 'Em All (CD, Album) (Rock) is listed with a used value of $6.14 [2]. For merchandise, the Metallica Kill Em All Black Coffee Mug (Home & Kitchen) is listed as new for $32 [3], and the Bravado Men's Metallica Kill 'Em All T Shirt (Clothing, Shoes & Jewelry) is listed as new for $24 [6]. The other items are currently unpriced in the catalog.