(a) OFFENSE DEFINED.-- A person is guilty of criminal mischief if he:
(4) intentionally defaces or otherwise damages tangible public property or tangible property of another with graffiti by use of any aerosol spray-paint can, broad-tipped indelible marker, or similar marking device;
(6) intentionally defaces personal, private, or public property by discharging a paintball gun or paintball marker at that property.
(b) GRADING.-- Criminal mischief is a felony of the third degree if the actor intentionally causes pecuniary loss in excess of $ 5,000, or a substantial interruption or impairment of public communication, transportation, supply of water, gas or power, or other public service. It is a misdemeanor of the second degree if the actor intentionally causes pecuniary loss in excess of $ 1,000, or a misdemeanor of the third degree if he intentionally or recklessly causes pecuniary loss in excess of $ 500 or causes a loss in excess of $ 150 for a violation of subsection (a)(4). Otherwise criminal mischief is a summary offense.
(c) DEFINITION.-- As used in this section, the term "graffiti" means an unauthorized inscription, word, figure, mark, or design which is written, marked, etched, scratched, drawn, or painted.