Primarily Petroliana Shop Talk Forums Shop Talk Petroliana Forums Petroliana Value Questions Unopened, full, one gallon metal cans of antifreez

I have two Shellzone and one Zerex. As stated, they have never been opened. I have looked everywhere and made several calls. I've been told by all that full cans just aren't out there. How do I find out what they are worth? I'm working on the size of picture file.