The possession and sale of cane swords, also known as sword canes or walking sticks with concealed blades, are generally regulated in many places, including Pennsylvania (PA). In Pennsylvania, the legality of cane swords can be subject to interpretation and may depend on various factors such as blade length and intended use.

Pennsylvania state law governs the possession and sale of weapons, including knives and bladed instruments. According to Pennsylvania Consolidated Statutes Title 18, Section 908, it is illegal to possess a weapon "which serves no common lawful purpose." The interpretation of this law and whether it includes cane swords may be subject to local law enforcement and court decisions.

It's important to note that laws can change over time, so it's advisable to consult the most recent version of the Pennsylvania state laws or consult with a legal professional for the most accurate and up-to-date information regarding the legality of cane swords in Pennsylvania.