Conoco Super Motor Oil - 1954 - Collier's Magazine.
(126) ADVERTISEMENT: Conoco Super Motor Oil - 1954 Colliers - Condition: Good + Staple marks in center. Color; 2 Full Pages (centerfold). 13" x 21". Large picture of can of oil with text. (Scan Does not show complete pages). Price: $4.00 + shipping.