Former British coin (4-5)

'former british coin' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for half-crown that I've seen before include "Former British coin" , "Old British coin" , "Former silver coin" .)
'former british coin' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for farthing that I've seen before include "once of minimal value" , "Old British coin" , "Old quarter of a penny is a remote object" , "It used to be one quarter of a penny" , "Obsolete small coin" .)
(Other definitions for florin that I've seen before include "Old 2-shilling piece" , "Old two-bob bit" , "Former British silver coin" , "Old silver coin" , "Former English coin" .)
'former british coin' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for guinea that I've seen before include "See 10" , "Old sum of money - west African republic" , "Old unit of sterling worth 21 shillings" , "Old coin worth 21 shillings" , "One pound and fivepence" .)