Hand in evidence Queen has left throne? (5,5)
I believe the answer is:
royal flush
'hand' is the definition.
(I know that royal flush is a type of poker hand)
'evidence queen has left throne?' is the wordplay.
I cannot really see how this works, but
'evidence' could be 'flush' (flush is a kind of evidence) and 'flush' is found in the answer.
'queen' could be 'royal' (I've seen this before) and 'royal' is found in the answer.
No letters remain.
This may be the basis of the clue (or it may be nonsense).
'in' is the link.
Can you help me to learn more?
(Other definitions for royal flush that I've seen before include "winning hand?" , "good deal?" , "Great hand" , "Good hand" , "Top hand" .)