Green’s Dictionary of Slang

(orig. Aus.) a present.

1963–74		B. Humphries Barry McKenzie [comic strip] in Complete Barry McKenzie (1988) 15: I trust they appreciate the little prezzo I’ve brought them!
1996		Penguin Bk of More Aus. Jokes 429: It was Mabel’s birthday and Dave asked her what she’d like for a prezzo.