Dorothy's ruby slippers sold for $28M at auction

A pair of Ruby slippers worn by Judy Garland in The Wizard of Oz sold for $28 million. Only four pairs are known to exist. The auctioned pair was stolen from a Minnesota museum 20 years ago and recovered by police in 2018. The buyer's identity and plans for the slippers remain unknown.

What was the selling price of the Ruby slippers worn by Judy Garland?

How many pairs of Ruby slippers used in The Wizard of Oz are still known to exist?

From where were the Ruby slippers auctioned off stolen?

In what year were the Ruby slippers recovered by the police?

What is unclear about the buyer of the Ruby slippers?