What's the value of?...

[Isauretjuh]

Does anyone have any idea on the current value of these items?

Attakus statue Ezio limited to 200
Attakus statue Ezio deluxe edition limited to (i thought 20?)
Ezio developer bust
Edward kenway developer bust
Declaration of independence (unsealed)
Crouching altair (sealed)

i cant find any kind of recent prices on these items.