This edition is identical to the 1976 edition, except for the plastic playing pieces (instead of the wooden blocks).
It contains the original rules; an otherwise unchanged edition with updated rules was released in 1982.
- 3-piece map
- plastic playing pieces (stars and anchors)
- first edition rules, copyright 1976 on the front of the rulebook, but printed in 1981 (according to the date on the back of the rulebook)
(Description based on Simon Szykman's Diplomacy Boardgame Compendium and Gallery, http://web.archive.org/web/20060923214042/http://www.szykman.com/Diplomacy/US-AH.html)