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Amero: American currency union (hypothetical)

Asian Currency Unit: proposed for the ASEAN +3

Bancor: an international currency proposed by John Maynard Keynes in the negotiations that established the Bretton Woods system (tidak pernah dilaksanakan)

Currency for Caribbean area—CARICOM states except the Bahamas.

East African shilling: East African Community (Burundi, Kenya, Rwanda, Tanzania, Uganda)

Eco: West African Monetary Zone (Gambia, Ghana, Guinea, Nigeria, Sierra Leone, possibly Liberia)

Khaleeji (currency): Gulf Cooperation Council (Bahrain, Kuwait, Oman, Qatar, Arab Saudi, Emiriah Arab Bersatu)

Metica: Mozambique (tidak pernah dilaksanakan)

Perun: Montenegro (tidak pernah dilaksanakan)