At first glance, it has the look of a midcentury piece, but this Green Table 55 at the Conran Shop has a much longer heritage.
It's actually a cafe table, which is made in the original Tolix factory founded by Xavier Pauchard in 1905. So 20th century, but a much earlier reference point that you might initially think. The table is made from recyclable polyester powder coated steel and is good for using both outside or inside as a kitchen table or desk.
Just make sure you keep that paintwork looked after – otherwise it might rust a little bit. Available online, the Green Table 55 sells for £495.