It would appear the seller knows exactly what he has and what he's doing. That 1694 elephant cent for example, if genuine would carry a price tag in the thousands.
Amazing how many elderly people die leaving a collection of rarities, all of which were minted last Tuesday.
Surely someone should investigate this recent phenomenon whereby people in their twilight years experience an overwhelming compulsion to collect reproductions which can then be passed down to, or left in the loft to be found by, a family member, and preferably one who knows nothing about coins.