I KNOW IT SAYS GRADE B - but read the Currys description it states Grade A.
Grade A Refurbished
• 'As New' condition
• "Grade A Refurbished" products are fully tested and fully functional
• Supplied in generic brown box packaging, not the original manufacturer packaging
• Do not contain the manufacturers manual / user guide
• Laptops supplied with power supply/cable
• Desktops supplied with generic, non-original keyboard/mouse, where included in the original product specification