- COORDINATES: 40.118889, -76.051389
- COUNTY: Lancaster
- DISTANCE TO NEXT: Honeybrook -8 (Appears on Original marker, not on replicas)
- EXPLANATION OF NAME: Named For 'Blue Ball' Hotel
- FOUNDED: 1766
- MANUFACTURER: Original unknown. Replica made of aluminum by Boose Foundry.
- STATUS: Original post gone; mounted on round pipe. All replicas say "East Earl Township" at top instead of next town name. Black and white photo found on Ebay.

Undated photo of original marker

Date unknown

Photo by R.C. Heagey (date unknown)
U.S. 322 Near Sunset Avenue