I found all these items shown while creek walking . The medicine bottle is early 1900s, like 1910 range. It’s so old that it’s not perfect made, there’s small air bubbles in the glass too. The pottery is Native American from the woodland period . The gray rock is a chipping (or flake) from a stone being worked into an arrowhead, the chippings were excess rocks flaked off. The last item is a 1930s to 1950s pocketknife that has part of the wooden handle still on it , i eyeballed this in the creek