This is a nice antique flower frog, made to fit in the bottom inside of a flower vase. It is marked "PAT'D APRIL 11 1916" in raise molded lettering on the side. It is 3.25" diameter at the widest point, tapering down to 2.7" diameter at the base. It has 9 inside holes for flower stems, each is about .37" diameter at the top. The glass is nearly clear, but more of a very light pink color. No damage, cracks or chips. We have never seen a patented flower frog before, or at least not one like this that is clearly marked!