Install this SpotPass data (using, for example, a 2016 version of JKSV) to become eligible for receiving/displaying all puzzle pieces you could get after normally downloading equivalent data via Spotpass, plus the limited edition "Mario & Happy"...
5.00 star(s)
What you have here is rare- the EUR Spotpass dump on archive.org doesn't contain Mario & Happy! Thank you very much for uploading this.
I put a comment on the archive to mention your Spotpass data- hopefully if you're willing, perhaps this dump...