Of considerable age, quality and value (7)
I believe the answer is:
vintage
(Other definitions for vintage that I've seen before include "Old" , "High quality wine" , "Wine harvest" , "Period of origin" , "Type of wine" .)
I believe the answer is:
vintage
(Other definitions for vintage that I've seen before include "Old" , "High quality wine" , "Wine harvest" , "Period of origin" , "Type of wine" .)