This issue includes the 3rd annual Kenner 16-page Fun Catalog.
in Donald Duck & Co (Hjemmet, 1948 series) #34/1976 (17. august 1976)Captain Hook appears with two hands.
Writer, Mark Evanier, says it wasn't noticed until 6 months after it was printed (from his "The Official Mark Evanier Gold Key Checklist"); in Evanier's notes, the story is entitled Electronic Brain Sprain.