forever stamp
n.— «The “forever” stamp went on sale last week with an opening-day ceremony at the Liberty Bell in Philadelphia. The stamp, which carries an image of the Liberty Bell, sells for 41 cents and remains valid regardless of future rate increases.» —“Market wrap” The State (Columbia, South Carolina) Apr. 15, 2007. (source: Double-Tongued Dictionary)
Further reading
Lynn from Philadelphia, Pennsylvania, says her mother used to urge the kids along with Put your shoes on, Lucy, don’t you know you’re in the city? The line comes from a popular song first copyrighted in the mid-1940s that goes in part Put your shoes...
A playwright from Philadelphia, Pennsylvania, wonders if anyone outside her home region says they’re going down the shore to mean they’re “going to the beach.” Go down the shore is often used in Eastern Pennsylvania, New Jersey, and parts of...