BelkaCTF #6: Bogus Bill

BelkaCTF #6 is over, the gang of money forgers is all caught. Thank you for being a part of this! Congratulations to the winners:
Student track: its5Q, belkakaka, kiwi
Professional track: sinsa, sm233, teo4n6

đź“„ BelkaCTF #6: Bogus Bill write-up

The Chief looked pleased again. I decrypted the encrypted file, and now he chuckled while staring at the screen.

—There you go, rookie, learn how to live. "I'll go take a nap," haha. These people know how to have fun!

Warmup
357
Luxury
Solved 51 times

Which luxurious item did Phorger put his laundered money into?
Format: full name incl. any codes, e.g. Bugatti Chiron BG744

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