Sinclair Opaline Motor Oil Can Value Guide

Vintage Sinclair Oil 5 Quart Can Mellowed 100 Million Years Red Dino Dinosaur | eBay — Sinclair Opaline Motor Oil Can

Estimated Value

$75 – $100

Period: 1930s
Origin: United States
Materials: Tin
Category: Sinclair oil can

The Sinclair Opaline Motor Oil can is a quintessential piece of 1930s Americana, representing the golden age of motoring and the rise of the Sinclair Oil Corporation. Its collectibility stems from the debut of the iconic brontosaurus logo, a marketing masterstroke that linked the power of fossil fuels to prehistoric strength.

What Is Sinclair Opaline Motor Oil Can Worth?

The typical price range for Sinclair Opaline Motor Oil Can is $75 - $100 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

Surface condition, including the presence of rust, dents, or significant paint fading.
The clarity and preservation of the dinosaur graphic and the Sinclair brand typography.
Whether the can is full, drained, or has its original lid intact.
Overall rarity of the specific 1930s design variant compared to later mid-century iterations.

How to Identify Sinclair Opaline Motor Oil Can?

Look for the distinctive green and white color scheme with the red Sinclair script logo.
Verify the presence of the brontosaurus mascot, which was officially introduced to the brand's imagery in 1930.
Check for the 'One Quart' volume marking and the specific 'Opaline' product branding on the tin surface.
Examine the construction for period-correct soldered seams typical of 1930s United States manufacturing.

History of Sinclair Opaline Motor Oil Can

Sinclair Oil Corporation, founded in 1916 by Harry F. Sinclair, quickly became a prominent player in the American petroleum industry. The company is best known for its distinctive brontosaurus logo, which was introduced in 1930 and played a key role in its marketing campaigns. The dinosaur symbolized the ancient origins of fossil fuels and the company's long-standing history. Opaline Motor Oil was one of Sinclair's flagship products, widely used during the golden age of motoring. These cans are cherished by collectors for their nostalgic value and the enduring appeal of the Sinclair brand's imagery.