And it's not just any only $400 Mario sweater, but an officially licensed $400 sweater sold to you via the guy who created role-playing game Earthbound.
The online store at Shigesato Itoi's website is offering a 100 percent wool sweaters for ¥36,000 (US$435). They're hand-knitted.
Not by Shigesato Itoi, though. He's busy, doing other stuff.
ほぼ日刊イトイ新聞 - 気の早いサンタのお店 [1101.com]