A color photo of a similar suit: 
The British, French, and Germans all made similar handmade camouflage outfits.
In the picture below is a lineup of British soldiers in handmade suits:
The online text with this picture read: "in 1917 the Camouflage Section of the British Army’s Royal Engineers hand painted sniper suits to blend in with the surrounding terrain. Hand painting was required because the technology to mass produce camouflage pattern material did not become available until the early 1920s." (This information is unattributed to a primary source.)
