Original Mappin & Webb 3.5" Silver Armada Dish plus box and paperwork -

I have a original Siver Armada Dish with original Mappin & Webb box and paperwork. Its 3.5" Diameter, It contains 4 stamped hallmarks which dates this dish to 1975. In excellent condition and also contains "The Story of the Armada Dish" This is a rare and collectable item.