Hi
I agree with Peter 1st item looks Czech ……..
Is it sectional to the interior, does the enamel feel glossy and fired (rather than cold painted, it looks like hot enamel work to me). It seems a well made piece and has a 1930's - 1950s shape about it, a picture of the enamel surround (portion of), and a picture of the item with the lid off would help, also is the moulding to the base swirled in style?
2nd item looks like Flygsfors, but this style (sometimes called Coquille) was used by other countries and companies. Peter what about that base, it looks like very Italian, and they used that petal shape for clowns and Chickens? I have a few bits of freeform Flygsfors by Paul Kedelv (Ref
http://www.great-glass.co.uk/library/lib5a.htm#B items 6933 / 7513) and they all have a simple base, which is not to say one does not exist, It’s just I have yet to see one.
3rd item has a tapering hexagonal stem (is that right?) which flattens at the top, a small gather of glass then takes the bowl. The shape of the bowl leads me to believe it is a sweetmeat glass (mmmmm), but it could also be a shallow goblet, what is the diameter of the top rim? The engraved decoration seems loose and fluid and seems very 1950s (earlier examples were usually more luxuriously engraved). I don't know the factory but I think this could also be Czech.
These are just my musings, and in no ways definitive
Adam P