candleholder...?

I inherited this. I’ve tried everything to find out who the signature is. Any help appreciated . All I was ever told was she got it from the maker in California many many years ago

I found a hand-blown glass candle holder at a pre-colonial cellar hole while metal detecting the other day. It stands 6.5 inches high. The glass is hand blown and there is no trade mark on the bottom, as there is for bottles. Im just curious if anyone can put a value on it, and better yet if...