Detective Comics #1000 features a stunning Bernie Wrightson cover and the first appearance of Arkham Knight (in terms of the chronological continuity - the actual first appearance is in Batman:  Arkham Knight #0 in 2015).  A milestone issue offered with a number of different covers and a whopping $9.99 cover price.  The stories and art in the book are done by multiple fan favorite talents.  This book is graded 9.8 NM/MT with white pages by CGC.