It was, funnily enough I dug out an image printed on some on my last trip back to the UK in may.
It disappeared from the market a few years ago now, two companies sold it in Europe Tura or Pal I think and John Blishen in London. Someone said it may have been coated by EFKE in Croatia.
There are formulae for sensitising fabrics if you want to try making your own, but Photolinen was very resilient you could re-wash the print/material in quite warm water with no adverse effects.
Ian