Carl Barks cover identification?

[Olivier (M&D)]

>>> I posted a Mickey Mouse Club tablet on my blog yesterday.
>>> Anyone who can identify where the Carl Barks cover is taken from? 
>>> The image looks quite familar.
>>> http://sekvenskonst.blogspot.com/2009/05/carl-barks-tablet.html

It's from a cover for "The Golden Helmet":
http://www.kingscomics.com.au/catalog/images/prodimg/img12538.jpg
(It's my avatar, so it was easy for me to identify   ;)   )



Olivier