The roughly 560 lb. Twitter bird logo sign is once again up for sale, with the auction house estimating its value at upward of $40,000.

Elon Musk is the most prominent user on his own social media site, X. He posts frequently almost every day on the site, which was formerly called Twitter. On March 18, so far Musk has posted or reposted 19 times, with the majority of his posts being about the Space Dragon docking at the International Space Station.