Has anyone ever seen a bottle with a lip like this. It looks like a wave
Thank you very interesting linkLooks like a Priof closure finish. You can find more about it here (scroll down): https://sha.org/bottle/closures.htm
Thanks everyone, now after looking closer it says registered and patented priof on the ridge. It stands 12 inches tallLooks like a Priof closure finish. You can find more about it here (scroll down): https://sha.org/bottle/closures.htm