Standard Oil Zerolene Polar Bear Flange Sign

Made in U.S.A. 1910 - 1929. Double-sided porcelain (DSP). Die-cut. Promoting Zerolene motor oil, Standard of California's early motor oil. The Zerolene product line was phased out around 1936 when the company introduced and transitioned its lubricant marketing to RPM Motor Oil. Unmarked. Authenticated by The Authentication Company (TAC #402850). All items are guaranteed authentic by Miller & Miller Auctions. All purchases are eligible for free delivery to the Winter 2026 Dixie Gas Show on December 4th. From the Barry Yorgason Collection.

Estimate:$1,052.74

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