Advertisement, Pennzoil Motor Oil "What Oil Would You Want in This Plane?" United Airlines, Original Magazine Ad, USA, 1938 floral Priced to reflect the condition

Priced to reflect the condition — the painting and character are fully intact

The tagline "Goes a Long Way to Make Friends" is quietly charming

this card's glittered detailing and refined bird motif reflect the elegant side of mid-century holiday design — a small work of art meant for someone cherished

or a collector of figural brooches

with a little crazing

Advertisement, Pennzoil Motor Oil "What Oil Would You Want in This Plane?" United Airlines, Original Magazine Ad, USA, 1938 floral Priced to reflect the conditionThe question was rhetorical. The plane was real. In 1938, Pennzoil made its case for motor oil quality by pointing to the sky a gleaming United Airlines propeller plane, a well dressed family boarding, and a tagline that dared you to think: "What Oil Would You Want in This Plane?" Printed in two colors, yellow and black, the graphic impact is immediate and timeless. The reverse carries quarter page ads for Walk Over shoes and GEMEX bracelets. A