What is a good gift for a group of people?

Shamya

I'm graduating this year and I want to show my thanks and appreciation to the entire English department and all my professors and advisors but I don't know what to get for everyone. I was thinking flowers and going online but I can't find good flowers I don't want to bake anything because idk everyone's dietary restrictions I also don't want it to be a generic basic gift like a mug any good ideas?