I am going to make an offer on a single autographed drum stick, signed by Tre Cool, the drummer from Green Day.
After asking an ‘expert’ (a person in the online auctioning business), they said it would go for around $25. I want some more opinions, because this isn’t an online auction (it’s actually my English teacher).

I really want this stick, and I’m not even sure if he’s willing to sell it, but any advice would help!
Thanks.