This is a rare and valuable collectors' item for fans of Flash Gordon and US comics. The issue number 20 of Flash Gordon was published in November 1978 by Whitman and is a must-have for any serious collector.

The publication year, series title, issue number, and tradition of US comics are all important aspects of this item. This comic is part of a larger collection of collectibles and comic books, making it a great addition to any collection. The value of this comic is not just in its condition, but also in its rarity and historical significance.