Lalanne mirrors owned by Yves Saint Laurent and a classic Diane Arbus photo: our pick of the April auctions https://www.theartnewspaper.com/2026/04/07/lalanne-mirrors-owned-by-yves-saint-laurent-and-a-classic-diane-arbus-photo-our-pick-of-the-april-auctions?utm_source=dlvr.it&utm_medium=mastodon #Objectlessons #Artmarket