1970's BC Comic Caveman Set of Six 14 oz. Glasses Hart Vintage Mobile Gas EUC DC

Here is a set of 6 Vtg glasses. They have the Caveman on the front and it saids hart above his foot. I believe these glasses were given out when you filled your gas tank at Mobile back in the days. They are in very good condition, EUC, like new. A great set for any collector or for a man cave. Thank you.