| http://www.w3.org/ns/prov#value | - Petroliana, or antiques related to gas stations and the oil business, is a collecting area focused on advertising, with key subcategories being gas pumps, gas pump globes, oil cans, road maps, signs, and major names like Mobil, Texaco, Standard Oil, Phillips 66, Shell, Sinclair, and Esso.
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