Well I can honestly say that it DOES look like something Fostoria would have produced, but I haven’t been able to nail it down. Thought maybe Tiffin produced them, but so far no luck finding a match for Tiffin either.
The blank itself is not particularly unique although the pieces are heavier than usual.
This is how the Vaseline Glass Collectors define Vaseline Glass:
“Vaseline Glass is a particular color of yellow-green glass that is made by adding 2% Uranium Dioxide to the ingredients when the glass formula is made.”
Read more about this glass at this website.