All saves I found (including the one you mention) lack a folder file containing the event costumes (the ones missing in the post above). Probably because Save Mii (up to 1.6.1) doesnt backup those files, I elaborate further about this on my previous posts.
I am afraid I dont have a file with all 153 costumes, I did the testing with files where I unlocked only a few costumes form the events and some other from amiibo and Mario Challenge.
The most I managed to do regarding a 100% game is preparing a save with all sample courses and building...
A couple days before the online shutdown, I did some testing trying to share my saves with some costumes to another console for preservation purposes.
Costumes 102 to 131 (including 102 and 131) and 145 to 151 (including 145 and 151) apparently are not on the game/update files themselves (most...
@K3Nv2 I got some cheapies at wallys, that are pretty good, already have lost a few expensive ones (one falls out and gone, can't find) while cutting grass so bought some cheap ones, and of course never lose these cheap ones. (Cheap meaning only $35, compared to air buds which I only have 1 of 2 now)