Octagon

Octagon or 8 sided coins are relatively common and there are quite a few countries that have issued coins with 8 sides.

Circulating

Country	Deno	KM	Year	Theme	Remarks
Argentina	1 Centavos	108	1992		points are north/south
Bangladesh	50 Poisha	24	2001	Year of FAO coin
Chile	1 Peso	231	1992-present	Definitive	points are north/south
Chile	5 Pesos	232	1992-present	Definitive	points are north/south
Egypt	2½ Milliemes	356	1933	Definitive	sides are north/south
Egypt	2½ Milliemes	369	1944	Definitive	sides are north/south
Iraq	1 Fils	119	1959	Definitive	points are north/south
Iraq	250 Fils	147	1980-1990	Definitive	sides are north/south
Iraq	250 Fils	152	1981	FAO - World Food Day 1981	sides are north/south
Iraq	250 Fils	155	1982	Non-aligned Nations Conference in Baghdad	sides are north/south
Iraq	250 Fils	163	1982	Restoration of Babel Series	sides are north/south
Lebanon	50 Livres	37	1996	Definitive	points are north/south
Macau	2 Patacas	97	1998	Definitive	points are north/south
Malta	25 Cents	29	1975	1st Anniversary of Republic of Malta	sides are north/south
Malta	25 Cents	29b	1976-1981	1st Anniversary of Republic of Malta	sides are north/south
Netherlands Antilles	200 Gulden	16	1976	US Bicentennial	points are north/south
Sierra Leone	1 Leone	43	1987-1988	Definitive	sides are north/south
Sierra Leone	50 Leones	45	1996	Definitive	sides are north/south
Sudan	50 Ghirsh	103	1987	Definitive	sides are north/south
Sudan	50 Ghirsh	105	1989	33th Anniversary of Independence	sides are north/south
Yemen	100 Fils	10	1981	Definitive	sides are north/south

Non-Circulating

Country	Deno	KM	Year	Theme	Remarks
Armenia	5000 Dram	117	2005	13th Anniversary of Armenian Armed Forces	sides are north/south
Kazakhstan	500 Tenge	NA	2011	Property of the Republic Series - Chief Issyk	sides are north/south
Kazakhstan	500 Tenge	NA	2012	100th Anniversary of Dinmukhamed "Dimash" Akhmetuly Konayev	sides are north/south
Macau	2 Patacas	115	1999	Macao's Return to China	points are north/south
Poland	50,000 Złotych	229	1992	200th Anniversary of the Order of Military Valour	sides are north/south
Poland	300,000 Złotych	264	1994	70th Anniversary of the National Bank of Poland	sides are north/south
Sierra Leone	1 Leone	40	1987	200th Anniversary of Independence	sides are north/south
Sierra Leone	1 Leone	40a	1987	200th Anniversary of Independence	sides are north/south
Slovakia	2000 Korún	51	2000	Year 2000 - Bimillennium	points are north/south
Spain	1500 Pesetas	1010	1999	Millennium	points are north/south
Spain	1500 Pesetas	1035	2000	Millennium	points are north/south
Spain	1500 Pesetas	1039	2000	Millennium	points are north/south
Trinidad & Tobago	10 Dollars	62	1999	35th Anniversary of the Central Bank	sides are north/south
Turkmenistan	500 Manat	64	2004	Ak Bugdai	points are north/south
United States	50 Dollars	139	1915	Panama–Pacific International Exposition	points are north/south