There's also a Gobblers Knob in Dublin Township, Fulton County, near the community of Burnt Cabins. It's kind of an ugly looking hill, but from Priceless Point atop Gobblers Knob, you can see the pyramidal Sydneys Knob (misspelled "Sidneys" on the USGS map) which is a landmark for the chronic PA Turnpike traveler labeled "Pyramid Point" on old Turnpike postcards. Its image is still on current Turnpike postcards but not labeled.
The hike up Gobblers Knob to Priceless Point is described in the recent book
Amazon.com: Pennsylvania Mountain Vistas: A Guide for Hikers and Photographers (9780811734394): Scott E. Brown: Books
What's the NEPA connection? Well, the name "Priceless Point" was given to this place by Mike Sausser of Schuylkill Haven, long time hiking trail builder of
Standing Stone Trail - Official Site