It's worth whatever similar PBs have lately been selling for on Ebay. That's really your best guide to the value of anything movable nowadays. Just go to Ebay and search for completed sales of Powerbook G4s. That will be the least valuable of them all, because it's the slowest of all. Its condition won't be much of a plus, just because it's now so old (minimum 8 years & 1 month, maximum nearly 9 years).
It's worth whatever similar PBs have lately been selling for on Ebay. That's really your best guide to the value of anything movable nowadays. Just go to Ebay and search for completed sales of Powerbook G4s. That will be the least valuable of them all, because it's the slowest of all. Its condition won't be much of a plus, just because it's now so old (minimum 8 years & 1 month, maximum nearly 9 years).