Very nice example!
Thanks for sharing.
At first glance I would say between two wars, but need to verify that.
Also, please let me know if you would ever part of it.
This is my greatest field of interest.
Sorry it took so long.
But hardly time for hobby's at the moment...
But I found it.
It is registered in the Militaria BELGICA 2007-2008 (jaarboek over uniformologie ) publisched by the Koninkijle Vrienden van het legermuseum.
And it is the mod 1955.
However I didn't see any fez, over time, with a tassel like yours...probably a personal fantasy...