several red Royal Mail post boxes were painted green by Irish Republicans in early 2009, in order to resemble An Post's post boxes in the Republic of Ireland. United States Nearly 7,000 USPS collection boxes were removed following the aftermath of the September 11 attacks and the 2001 anthrax attacks in which letters containing anthrax spores were placed in public collection boxes. Since that time, a decrease in first-class mail volume and the onset of online bill payment processing has resulted in lower demand for collection box service in the United States. Colours Red Argentina, Australia, Bahamas, Barbados, Belgium, Canada, Denmark (Post Danmark), Gibraltar, Greece (express post), Greenland, Hungary, Iceland, India, Isle of Man, Israel, Italy (domestic post), South Korea, Japan, Jersey, Macau, Malaysia, Malta, Mauritius, Mexico, Monaco, Netherlands – surviving heritage and PTT boxes, New Zealand, Norway (national and international mail), Pakistan, Poland, Portugal, Romania, Spain (express mail), South Africa, Sri Lanka, Taiwan (airmail and prompt delivery), Thailand, Uganda (Posta Uganda), United Kingdom Yellow Algeria, Australia (Express Post), Austria, Bosnia-Herzegovina, Brazil, Bulgaria, Croatia, Cyprus (red before 1960), D.R.Congo (scpt), Finland (2nd class), France, Germany (Deutsche Post), Greece (regular & international mail), Iran, Lithuania, Malaysia (Express Post), Montenegro, Morocco, Norway (local mail), Russia (1st Class), Rwanda (iposita), Serbia, Slovakia, Slovenia, Spain (regular mail), Sweden (national and international mail), Switzerland (& Liechtenstein), Tunisia, Turkey, Ukraine, Vatican City, Vietnam Blue Belarus, Finland (1st class), Faroe Islands, Germany (many private postal companies), Guernsey, Alderney, Dominican Republic, Sark, Italy (Air Mail only), United Kingdom (Air Mail – 1933–1940), Portugal (1st Class (Blue Mail) only), Sweden (local mail), Russia, United States Green China, Hong Kong (red before 1997), Taiwan (regular mail), Sudan (SudaPost), Republic of Ireland (red before 1922), Some heritage boxes in the United Kingdom, notably Stoke on Trent, Rochester & Scunthorpe Orange Czech Republic, Estonia, Indonesia, Netherlands (TNT N.V./PostNL (red before 2006)) White San Marino, Singapore Gray Philippines Gold United Kingdom (only for 2012 Summer Olympics and Paralympics gold medal winners) Black United Kingdom (only for 2020 Black History Month) Symbols Australia – a styled red letter "P" on a white circle, "P" standing for "Post". Canada – a combination of a bird wing and an aircraft wing in a red circle and flanked by the words Canada Post / Postes Canada. Previously the words Canada, Canada Post, or Canada Post Corporation) were used on post boxes. Until the early 1970s, post boxes