June 2025 photo from Facebook Page
Original location in Chester PA undetermined.
June 2025 photo from Historic Roadside website. Front and 4th Sts.
Marker in park at 4th and Front Sts.
PA Historic Commission sign from 1920s
William Penn
- COORDINATES: Original Coordinates undetermined. Believed to have been somewhere along Penn Avenue in Chester, PA.
- EXPLANATION OF NAME: William Penn Marker 500 Feet Ahead
- MANUFACTURER: Undetermined. Believed to be Carlisle Foundry from partial marking on the reverse side.
- STATUS: 1st and 3rd photos show markers believed to have been erected by the PA Historic Commission circa 1920. Top photo shows sign currently advertised for sale on Facebook Marketplace. This is a most unusual keystone, in that it announces another sign. The pic of the Willam Penn marker in Chester PA is also shown here.