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- Newspaper Advertising, "H. J. Heinz Co. Keystone Picklers and Preservers," May 25, 1895 - From very early on in the company's history, the keystone became the symbol of the H.J. Heinz Company. In this newspaper advertisement, a keystone symbol was juxtaposed over a map of the Pittsburgh area showing various Heinz farms and factories.

- May 25, 1895
- Collections - Artifact
Newspaper Advertising, "H. J. Heinz Co. Keystone Picklers and Preservers," May 25, 1895
From very early on in the company's history, the keystone became the symbol of the H.J. Heinz Company. In this newspaper advertisement, a keystone symbol was juxtaposed over a map of the Pittsburgh area showing various Heinz farms and factories.