Pre OCTOPUS TRADING SYSTEM. Pre OCTOPUS TRADING SYSTEM. VINTAGE OR MODERN QUALITY CHESS SET STAUNTON PATTERN KING " AND BOARD. . VINTAGE OR MODERN QUALITY CHESS SET STAUNTON PATTERN KING " AND BOARD. Pre OCTOPUS TRADING SYSTEM. VINTAGE OR MODERN QUALITY CHESS SET STAUNTON PATTERN KING " AND BOARD.