Years ago, Saeco made or sold bullet lube in their name and if what you have is the color of bees wax or darker, it is most likely a 50/50 mix of beeswax and alox. I had a number of sticks of that lube and it works just like todays Javelina 50/50 or any other 50/50 lube. I shoot bullets up to 2200 fps with the 50/50 lube and no leading.
I don't remember seeing any Green Saeco Lube, but that would have been their preferred color.
Harold Clark