Gold Key code number 30039-903. Code at bottom of panel of first page is Dark Shadows 1-6812. Poster was included with comic. On-sale date from 1969 Books and Pamphlets, Copyright Office, Library of Congress.
Barnabas Collins (first appearance; origin); Angelique Bouchard (first appearance; villain; a ghost); Willie Loomis; Julia Hoffman; Elizabeth Collins; Professor Stokes; Dave; Ed; Sims; Jane Willow