This might be the most obsessively nerdy thing I've ever seen. One of the bronze ‘H’es in a sign was installed upside down, and the author dove into historical research to find out when and why.

https://www.inconspicuous.info/p/h-bomb-a-frank-lloyd-wright-typographic

H-Bomb: A Frank Lloyd Wright Typographic Mystery

The famed architect made a surprising error on one of his most notable buildings — or did he? A deep dive to uncover the truth.

Inconspicuous Consumption
@mjd I kinda like when the crossbars don't align consistently. It evokes a sense the inscription has leapt into reality directly from the drawing, retaining the hand of the draughtsman. Which seems important for a religious building to convey.