Noj's associated site dedicated to their Leonardo chess set mentions that this red and black board is custom made, so if they don't sell it, then it's likely unavailable. http://www.leonardochess.com/chess-set/extra-chessboard
Red and Black Chessboard
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This is the reply received from Noj:
Thank you for your message but unfortunatlly we only produce chess pieces -
those chess boards were outsourced and are currently unavailable.
Wondering if anyone is producing a red and black board.
Looking for red and black chessboard as shown on Noj site.
It is not available from Noj and does not appear to be otherwise available.