We just found another version. The flute is the same, a low grade plastic Humanatone (not polystyrene like in the Gretsch original version), not "true tremolo" hole, and no stampings beside a reversed "Made in Hong Kong" on the inside of the mouth shield. But aslightly different version of the packaging.
In this version, the red color surrounds a yellow splash, much more flashy! The typo ink as turn from navy blue to black. And again, the whole text has been designed once more. On the back side, the text is now medium blue, while it was almost black in (what I suppose to be) the previous versions.
Let's make a little comparison between them all (1-2-3 or 1-3-2 ?):