Happy to have the two coins - relieved (7)
I believe the answer is:
pleased
'happy' is the definition.
(synonyms)
'the two coins relieved' is the wordplay.
'the two coins' becomes 'pl' (I can't justify this - if you can you should give a lot more credence to this answer).
'relieved' becomes 'eased' ('ease' can be a synonym of 'relieve').
'pl'+'eased'='PLEASED'
'to have' is the link.
Can you help me to learn more?
(Other definitions for pleased that I've seen before include "like Punch?" , "Grateful, delighted" , "Feeling satisfaction" , "Happy, satisfied" , "Gratified" .)