Marcel Wanders and Arik Levy have designed limited edition pieces for online retail brand 20ltd, which sells collectible products produced in strictly limited editions.
Wanders has created Rare Bead Necklace (below), produced in an edition of 20 pieces and selling for £2,000.
Levy has produced Rockfusion - a variation on his Rock series of stainless steel tables. The tables have been produced in an edition of 20 pieces plus four artists' prototypes, and sell for £20,000 each.
>> read more about 20ltd in our earlier story.