Were these plastic cups already standard back then?
I think those might actually be frosted glass cups.
Here is the best copy I could find, and the flared edges do not look like plastic cups - also the shiny inside and matte outside looks more like glass frosted on the outside.
PP was not in commercial use until 1957 (not sure when it was first used for cups), PET disposable cups weren’t a thing until the 70s. Disposable cups in the 50s would have been wax paper.
Looks like someone wanted them to pose as such to make a funny photo
This photo became the notorious cover image of Dinosaur Jr.'s Green Mind, as us older folks well remember.
Is she… Married?
I think even Euronobility stopped the practice of marrying their kids off THAT young a few centuries before.
Good point! But you can also just wear rings on any finger whenever you fancy
I’m sure they grew up to be normal, well-adjusted and down to earth kids.