Until now I haven’t noticed that either 
(…and “slim jewel case” is probably better)
And I have a jazz release (Philips 7551 001) in a “fat” cassette (21 mm whereas normal is 17 mm) unneeded for by medium (×1), spine cover art, and booklet fold. It houses 2LP stereo though …
I was curious but didn’t find it.
Here you go:
https://musicbrainz.org/release/9a8492f8-2816-4b47-ba1b-6057922fc553
And here fattie stacked with some commons:
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