The classic "$500k or a dinner with Jay-Z?" debate just turned into "$25k or dinner with Jerry West?" ... 'cause that's what one lucky bidder shelled out for an evening with the Logo at a big charity event.
TMZ Sports has learned ... a special one-on-one with the Pro Basketball Hall of Famer was one of the big auction items at a gathering for the Aiming High Foundation this week ... with an anonymous bidder winning the RSVP with a massive, quarter-hundred thou donation.