It is difficult to date graniteware/enamelware as it was around from the 1880s until the 1950s. Actually it is still around but has largely been replaced by other nonstick finishes. Enamelware is a bit like glass and breaks easily and when it does a rust spot appears.
My newest ladle is the black and white from Sweden in photo 2. It has a hook so it can hang on to my rack without the aid of an S hook like the others. made in Sweden.
Next is the red and white piece which matches the color of the rack but does not have the hook on the end of the handle.
The blue and white swirl piece is my favorite and most likely the oldest. A piece like that would have been used for serving up stew from a chuck wagon. Or used by great grandmother to test the soup.