Help to identify a Don Rosa story

[Scrooge MacDuck]

I have this picture of a Don Rosa panel hanging around my files, in French—



—which I had picked out because it features the same 'bicorn duck' portrait seen in His Majesty, McDuck, which I found noteworthy enough. 

Now here's the thing, at the time (and it was over four years ago), I had jotted down that it was from Don Rosa's rendition fr The Pied Piper of Duckburg. But now I went to check, and it's… not. 

Can any of you identify its true origin?

[muggyruglugg]

inducks.org/story.php?c=KD+0190

[Hyaroo]

Jul 27, 2018 10:21:44 GMT muggyruglugg said:

inducks.org/story.php?c=KD+0190

You got there right before me. ^_^ "The Money Pit," that's the story where Donald goes "mining" in the money bin for rare coins. The entire story's a thinly-veiled and not altogether successful satire on the comic-book-collector's craze of the 90s. 

[Scrooge MacDuck]

Okay! Thanks!