Kendra’s answer to “Hello Reading Community. I hope this question is not too silly. For the US cover, there is that pin…” > Likes and Comments

Thank you Kendra! I was just about to delete this question. I was listening to a podcast and Liz Moore provided the answer. Yes, it was indeed referring to the paint in Barbara's room.

thanks for this, I read it on a Kindle so the cover was in black and white and I had no idea!