Carl Barks drew 256 Disney comic book covers during the years 1942-69. There exists only about 21 pcs original artwork of those comic book covers.Which are those surviving original covers and how they survived?As known, the publisher trashed and burnt almost 97% of all Carl Barks´, comic book original artwork, consisting some 6700 pages all together, so there exists only circa 200 pages of original comic book art.