That's very unusual. However, with only 7 rows, you can't play chess or checkers - they require a 8-row table. What game uses a 7x15 grid?

"Overpay" has no meaning. Unless you are buying for resale, the question is whether or not the piece can serve a useful function in your life.

Yes, my brother always tells me the same thing - if I like something, it is worth whatever I am willing to pay! thank you.