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