Design patent on the cobalt one was issued in 1938 to J. Fulcher and assigned to Maryland Glass, so definitely an American bottle. Here is the link to the design patent:
I am interested in the bottle with the tablets! I'm trying an experiment with the tablets to see how long it would take for one to dissolve in two ounces of whiskey. Willing to purchase for $50...
I've got several ounces of pure Mercury Bichloride (plenty of tablets too but ya want the un-cut goods []), and when mixed with some sugar of lead it makes for a bracing and delicious mixer.