Which of these items holds the Guinness World Record for the highest price ever paid for a single retail item?

The world of retail has seen some jaw-dropping price tags throughout history. From luxury real estate to rare collectibles, companies have set astonishing price records that demonstrate unique pricing strategies at the extreme end of the market. This trivia challenges you to identify which product truly holds the Guinness World Record for the highest price ever paid for a single retail item. Think carefully about what commands the highest value in our global marketplace!

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Leonardo da Vinci's 'Salvator Mundi' painting, sold for $450.3 million in 2017
The 'History Supreme' luxury yacht, reportedly sold for $4.8 billion
The 'Graff Pink' diamond, sold at Sotheby's for $46.2 million
Antilia, the world's most expensive private residence, valued at $2 billion