That is a schweeeet one!
Not to stomp on your post but for additional ID's of type. One from FL/GA border (couldn't get the base thinned!) and one from Ft. White, FL
Reddish brown is definitely organic stain and the blue is a stain that comes from saltwater environment. That blue is very common to see on shell artifacts. The red/brown coats shell and the blue actually penetrates into the shell
I haven't done my DNA but my sister did. So she got "our" mtDNA (maternal) which showed that Oetzi the Iceman was in the same general mtDNA haplogroup as we are LOLOL. My ancestry done many years ago and likely not perfect or correct showed ancestors going back to Queen of England and...