The Liberty Bell is a symbol of freedom and American independence in Philadelphia, PA outside Independence Hall. The brass bell was forged in the 1700s and now has a large crack running up the front. For a Liberty Bell tattoo, this crack would be absolutely crucial to the design and the inscription on the bell starts with the words, "Proclaim Liberty..." which you should consider adding underneath the tattoo for charm and effect.
Philadelphia is home to a variety of professional sports teams, such as the 76ers (NBA), the Flyers (NHL), the Phillies (MLB) and the Eagles (NFL). Each team has its own symbol which can make for a small but meaningful tattoo. Hardcore fans of any or all of the teams can choose the specific symbol for their favorite team or custom design a symbol that represents all of them, such as an eagle wearing a 76ers jersey and Phillies hat while holding a hockey stick branded with the Flyers logo.
The Philadelphia flag is two solid blue bars on the left and right, divided by a solid yellow bar which is emblazoned with a crest. This crest is of two women standing beside the scales of liberty, a blue and yellow shield, and holding a banner which reads "Philadelphia Maneto," meaning "let brotherly love continue." You can choose to tattoo either this flag in its entirety or simply the crest found in the middle. Either way, this is an example of a tattoo in which color is advised over traditional black and gray.
For a Philadelphia script tattoo, consider the words found on the city's flag, "Philadelphia Maneto," or simply the English translation of those words, "let brotherly love continue." You can choose from a countless amount of font types and styles or you can design the script yourself, making the tattoo all the more meaningful. Just bear in mind that the more detailed the font is, the larger the characters need to be to display adequately.