Brand New Full UK Warranty Nikon AF-S 2x Teleconverter TC-20E III ?

For sale Nikon TC-20E AF-S Teleconverter III. It is brand new, never used. It comes fully boxed with both rear, front caps and pouch. It is located in Sutton SM2 5TX but I would be very happy to meet in central London if you prefer. Please feel free to ask any questions. No offers please. It can be yours for 330, cash on collection only.