thanks Anne - unfortunately I think we're failing a bit with the re-sizing - they appear to be coming out too small. IrfanView is a fairly simple re-sizing free download, but don't want to confuse you even more.
jp may well be correct, but on the face of it I'd agree with Chris and yourself that these side-flared rims are not something I've seen previously on perfumes. From what I can see on the base you've shown, it looks to have a very sharply defined outer foot rim - not what I would have expected to see......... but as the picture is under-sized, maybe we're not seeing the detail properly.
Date wise we may well not get near to the truth of your heavily cut piece, but it's a great find and I too would have bought it.