I can't add anything new to this conversation, but I'm in the camp with those getting excellent projection and longevity. No idea about batch numbers or even year as I have a few different decants from different sources. It is potent in so many ways for me: women love it, unique as hell, lasts forever and projects like an opera singer. In fact, I can't wear it often as I find it to be overpowering in many settings. Other than that, A+ all around.