This is the 82532 desk tray by Walter Zeischegg for Helit in green. Great item, similar to the 62540. Here is a brief biography of Walter Zeischegg. The tray is divided such that there are four compartments for desk items. Note the original “helit” sticker.
eBay item 171181393455 ends December 1, 2013 (United Kingdom).
The imprint reads: