Here's one that got away
It's important that that you're confident that your client can visualise how the finished piece will look.
In this case I kept sending pencil scribbles, presuming they understood that the finished article would be carried out in this style of brush and ink. They didn't. Numerous sketches later we settled on a layout neither of us were crazy about and dictated more by exhaustion than preference.
Another one notched up to experience