This pipe has the five Olympic rings stamped inside an oval, there is something under the rings but it’s so small I can’t make it out even with magnification. Next to the oval is stamped an R, it’s also stamped with 1984. More information available, and will be coming as time permits…. That being said, if perchance you do have issues with what you. Receive, please contact me. Check the pictures carefully as they are 90% of the description. So zoom in and check all the pictures carefully you should be able to see every detail as they are taken with a 14 megapixel camera.