DH has said:
Theater tickets
Good quality coffee beans
Mind books, he has one on Maths which he really enjoys
Plants
Puzzle games
He has been given wine and as we don't drink have either kept or given away
Chocolates
Home made biscuits
Calenders


What we don't need:
Socks
Hankies
Mugs
Pens or pen sets

These are just some ideas of the top of my head, no doubt I will think of others later