G-10
From ACT Wiki
The Group of Ten refers to the group of countries that have agreed to participate in the International Monetary Fund (IMF)'s General Arrangements to Borrow (GAB), a supplementary borrowing arrangement that can be invoked if the IMF's resources are estimated to be below IMF member's needs.
The G-10's membership is currently: Belgium, Canada, France, Germany, Italy, Japan, The Netherlands, Sweden, Switzerland, United Kingdom and United States of America.
The name of the G-10 was coined when it originally had exactly ten members in 1962.
Switzerland joined two years later, increasing the total membership to eleven, but the original name was retained.