Bitcoin ‘Bitcoin NFT’ Hysteria Comes to Sotheby’s as Super-Mario-Style Mushroom Character Tops $200K IceLoungeMedia IceLoungeMedia In the historic auction house’s first-ever sale of the Ordinals inscriptions known as “NFTs on Bitcoin,” a batch of three pixelated images from a mushroom-themed collection drew about $450,000, or roughly five times the highest estimates.