Most of these NFTs now for sale are listed for 2.99 or 3.99 ETH – a tidy profit on the 1 or 1.25 ETH paid. Meanwhile, the 50 ETH Iron Shib listing is for 1000 ETH, or $3.45m. The Shiboshi NFTs are a group of 10,000 Shiba Inu-based NFTs that first launched on October 14, selling out in just over 35 minutes.