Commemorative Australia Post Postal Numismatic Cover (PNC) issued for National Police Remembrance Day. The cover features a medallion-style coin inset displaying the Police Remembrance emblem and is paired with a First Day of Issue cancellation from the Canberra National Police Memorial dated 3 September 2019. The illustrated envelope depicts the National Police Memorial in Canberra at dusk with ceremonial flags, creating a striking tribute to Australian police officers who have lost their lives in the line of duty. Postal numismatic covers combine philately and coin collecting, making them attractive to collectors of Australian police memorabilia, commemorative covers, and modern numismatic issues.