A launch day PSP. It's still my most valuable treasure ever. However it's bricked and the only way to revive it is with a pandora battery and it's very hard to get
Is my PSP bricked? - PSP 2000 - iFixit
How to jailbreak a PSP without a pandora battery - Vídeo Dailymotion
How to Unbrick a fully bricked PSP « PSP :: WonderHowTo