The is a set of two Watkins Inc. key chains commemorating the 130th anniversary of the company. These key chains feature an advertising theme related to Petro Carbo and Menthol Camphor Salve, which was and is a popular product manufactured by Watkins. Made in the United States, these key chains are a unique collectible item for fans of the company or those interested in vintage advertising memorabilia. These are new old stock (NOS).
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