IMO, yes. By a lot. But if someone buys them, then that's just swell.
Based on the description they are a terrific set of speakers, but 1500 gives you a tremendous set of choices and the topic speaker would not make the cut.
The actual cost of most restoration projects, unless known to be high ticket and highly desirable market items, has to be discounted upon resale. Masking a profit, let alone recovering one's actual costs, can be difficult.