As others have said, this is a covered bouillon cup & saucer. In her book "Haviland China, the Age of Elegance" by Nora Travis, she shows several...
Agreed, hobbyist. Molded piece with scratched in name is common for ceramic hobby shop items.
I could be wrong, but the uneveness of the inside decor and the way the outside looks, I'd guess hobbyist decorated vs professional studio
If you add terra cotta as a search term and then check images, you don't get as much "bad" stuff, although I didn't find anything quite like this.
Here is an example of what your mark might be, but not sure http://chataboutdg.com/gallery/img18098.search.htm
Circle marks like that often have Czechoslovakia at the bottom of the circle.
Nerva, Paden City
Bottom points away from Fenton
If you search ebay for "paperweight oil lamp" you will see some examples of the type of lamp I referencing. This is what the wick looks like...
My first thought was oil lamp, one that you would put a wick that is held in a glass "stopper"
I believe this is the decanter shape that the stopper should be on....
Pretty sure it's by Pilgrim, the bottom matches catalog #425, and I think the stopper is for catalog #419. They called the color "Peachblow" and...
The Imperial Glass Collectors site dates the mold mark as being used between 1951 & 1977 http://www.imperialglass.org/site/dates.htm
It doesn't look like what collectors consider to be stretch glass. Here is a site devoted to stretch glass...
I just looked in "Fostoria Tableware, 1944 - 1986" by Long & Seate and I don't think it is Fostoria Colony, though that was my first thought as...
Not Blenko, my first guess would also be Italian, maybe Murano rather then Bohemian.
Some Polish Company did the bubble as well. I think Kosta sealed the bottom. Krosno is the name of the Polish company. I don't know if this is...
I'm not sure there is a studio called Glasbruk, since glasbruk is Swedish for glassworks so essentially it would be Glassworks Glassworks as a...
I just skimmed the History section of Dean Six's book on Lotus, and he indicates that they never produced glass.
Absolutely NOT Blenko. I agree that it is probably from Italy, most likely the area of Empoli. Just as an FYI, like Murano, Empoli is a place in...
Separate names with a comma.