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The keystone symbol is the name commonly given to the de-facto state emblem of Pennsylvania.[2] It is a stylized keystone (or capstone), an architectural term for a wedge-shaped stone placed at the top of an arch.[3] The shape consists of two isosceles trapezoids, each with the smaller side facing downward, with one being smaller, more flat, and placed on top of the other. The symbol alludes to Pennsylvania's official nickname, The Keystone State.[4] Although the symbol has not been designated as the official state emblem, it is widely used by the Pennsylvanian government and by individuals.[5][6]
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Use as a bullet point on modern Pennsylvanian license plates -
Use on state quarter -
Use on official state route markers
- ^ "PA Kids Corner". pa.gov. Commonwealth of Pennsylvania. Archived from the original on 2024-07-13. Retrieved 2024-07-13.
- ^ Bonatesta, Lara (2023-09-27). "Why is Pennsylvania called the Keystone State?". ABC News. Archived from the original on 2024-07-13. Retrieved 2024-07-13.
- ^ "Glossary of Medieval Art and Architecture – Keystone". University of Pittsburgh. Retrieved 2007-06-25.
- ^ Bodgen, Sharon, ed. (2013). The Pennsylvania Manual. Vol. 121. Harrisburg: Pennsylvania Department of General Services. ISBN 978-0-8182-0357-2.
- ^ "Pa. Guard adds new shoulder sleeve insignia". DVIDS. Retrieved 2023-02-21.
- ^ Fiorillo, Victor (2024-05-15). "What the Hell Is Going on With This New Mascot?". Philadelphia Magazine. Archived from the original on 2024-07-13. Retrieved 2024-07-13.