As well as clearing cheques, the system processes the following forms of payment: banker's drafts, building society cheques, Postal Orders, warrants, government payable orders and traveler's cheques.
George Archer-Shee, whose alleged cashing of a Postal Order to a fellow naval cadet led to a long-running court case and inspired Terence Rattigan's play The Winslow Boy.
Order of the British Empire | Order of Australia | Law & Order | Order of the Bath | Order of St Michael and St George | Dominican Order | Royal Victorian Order | Law & Order: Special Victims Unit | Distinguished Service Order | Order of Canada | Order of the Garter | New Order | United States Postal Service | Order of Saint Benedict | Order of Friars Minor Capuchin | Order of the Crown of Italy | order | Independent Order of Odd Fellows | Royal Guelphic Order | Law & Order: Criminal Intent | Order of St. Olav | Order of St. Gregory the Great | Venerable Order of Saint John | Order of the Star of India | Corinthian order | Order of the Indian Empire | Order of the Rising Sun | Order of St. Anna | Order of the Polar Star | Order of the Golden Fleece |
Edmund convinces the Prince that he is The Scarlet Pimpernel, and collects an "enormous postal order" intended for the hero.
Postal orders of British North Borneo are considered as collectible items and listed under a separate issuer entity by the GB Overprints Society and the Postal Order Society.
The earliest known postal order that is known was issued at Lahad Datu in 1909.
postal order issued at Otavi on 25 November 1993 is known to be in a private collection in New Zealand.
The 1946 play The Winslow Boy by Terence Rattigan, and the two subsequent films based on it, features the story of a schoolboy trying to clear his name over the theft of a five shilling postal order.