Originally Posted by bjreagh
Sometimes the weight and abbrev. on the bottom for Innova wears off, but if you look at it in the right light by tilting it certain ways sometimes you can still make out the impression, same for the stamp sometimes.
Here are Innova's abbreviations if you need them:
I agree. If not and you think it might be one of a couple in your mind, compare it to some of yours or a friends to make sure. You can always look online though. Good luck.