Sell It Tomorrow
That man told her that the museum will likely buy the piedfort. It is valuable to them as well and having it on display would make the whole museum so much better and more visited. She was happy and she wanted to do this.
But it is the end of the working day today and she will have to come back tomorrow. She was interested in selling so she will definitely come back. Well she will not and now you can see the reason why. The odds of this are impossible!