Ok OK you did answer my question. I have several $1.50 mugs and they always charge $1.75 for some reason. I have 2 $1 mugs that say $1 and they do charge $1 for those. I have seen other mugs that are the exact same size and style as the $1 mug with the pop off lid and pop off bottom that do not have a price listed, but I was not sure if they charged $1 due to being smaller size than the others, or did charge the current price. I always just figured they were still honoring $1 was because those mugs only hold about half as much as the fatter or taller ones.