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.
Sign up for a daily roundup
of all our stories