Nation of West Africa (4)
(Other definitions for guinea that I've seen before include "Old coin (from Africa?)" , "Sum of PS1.05" , "Country -- 21 shillings" , "Old coin, twenty-one shillings" , "Obsolete gold coin" .)
(Other definitions for mali that I've seen before include "A state" , "Send mail out to Africa" , "African country, once French Sudan" , "Indian gardener; African republic" , "W. African country" .)