bangle

So I believe this is a copper buckle bracelet, but I cant find any more information about it. It was the very last thing I cleaned and I wasn't expecting that floral pattern to pop out. I would love to know more, maybe an age range? The first buckle is a shoe buckle right? But i'm stumped on...

I bought this bracelet in a lot purchase at an estate sale. It is marked inside the back clasp 585 which i know stands for 14k and means european or german. It also has AMU which I think means it was tested and confirmed to be 14k or .585 percent gold. Not certain if that means it was tested to...