Primarily Petroliana Shop Talk Forums Shop Talk Petroliana Forums Petroliana Value Questions Pacer EON E-11 Synthetic Motor Fluid

I have 6 of these unopened. I'm looking for information & approximate value.

Any information would be greatly appreciated, there isn't much about these online. I do know that one sold in 2021 for $50. These seem to be pretty rare, I believe they're from the late 70s maybe early 80s.