xrefd:CB OIL 100; CB OIL 106. Redrawn version by Egmont (DK). Reprinted in Donald Duck & Co (Hjemmet, 1948 series) #45/1965.
Art submitted on September 1, 1955. Morty and Ferdie were originally drawn as Donald's nephews, but had to be redrawn due to a change in postal regulations regarding characters in back-up stories. Synopsis by Michael Barrier from "Carl Barks and the Art of the Comic Book" (M. Lilien, 1982).
A Dell "Pledge to Parents" fills out the page.