What was this Vaseline Glass piece used for?

[Martinamy0224]

 

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[Anduril]

The contours of the glass internal walls makes me think this could be some sort of shaving kit.
The razor fits on the far right.
Left of that is the rectangular razor blades.
The hole thing might be to hold a shaving brush.
The large reservoir for holding a supply of water to use with the brush?

 

[nhbenz]

Sounds right; https://www.worthpoint.com/worthopedia/vintage-green-depression-glass-496990256