"I agree. A ton of characteristics are wrong but I've never seen Paul sign on a small curved surface like that so it's hard for me to say it's absolutely not him. Highly unlikely though.
Glad you asked."
" I’ve never seen a known genuine one to compare it with. Signing a drum stick is something you occasionally see drummers do, and when so you often have numerous known genuine exemplars. My recommendation is not to consider it. "