CLEAN : Christie's to auction Warhol portrait of Marilyn Monroe estimated at $200 mn

The video discusses a significant painting being auctioned at Christie's, in partnership with the Thomas Endorsement Foundation. The painting, a sharp sage blue Marilyn, is highlighted for its historical importance and is compared to iconic works like the Mona Lisa. The proceeds from the auction will be donated to charity. The painting is expected to fetch around $200 million, making it potentially the most expensive 20th-century painting sold at auction. The unique screening technique used by Warhol on this painting adds to its value and rarity.

What is the estimated value of the painting mentioned in the auction?

What unique technique did the artist use for this painting?