Penny asked why a few of the bottles had round bottoms. The reason was the user had to keep them on their sides is so the cork would stay wet and not shrink, assuring the carbonated contents to keep.
The candy container (shaped like a car) was filled with small candies and was sealed on the bottom with a thin piece of cardboard/paper that you would open by pulling off to get the goodies out. Many different "figural" candy containers were made.
To add about "sick" glass, it can be fixed, but only by tumbling in a tumbler using certain chemicals and copper shot, usually over a period of a few days to a week, depending on how bad the "sickness" is. NO amount of scrubbing will fix it, but I have heard some have cleaned up very mild sickness by sanding, but I've not tried it.
Here are two candy containers I have: