If the lead soldier was dug up as well, that can be dated to the early 1930's. I only know that because my Grandfather had an identical set when he was a kid. Might help to date the rest of the find. Are the coins not dated?
Glad you said that - it looks very similar to bronze jewellery in my local museum, all of which has impeccable Roman credentials. I can't work out whether the coin at the top is possibly Roman or just a badly bashed and discoloured piece of yank currency. If the photo hadn't been taken with a Box Brownie, it might have been possible to be more helpful.
Here's a photo of the sort of thing I'm talking about: