I was surprised to see this 1 gallon version show up on Ebay.....and in relatively nice condition. It will be interesting to see what it goes for, as it's already over $400 and has a decent group of watchers.
Darin

https://www.ebay.com/itm/353599165200

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Darin Sheffer
Always looking for Mobil and Marathon items I don't already have!