Hi Jessica, this Alley Oop lunchbox is not very old. I don't know if its a reproduction of an old lunchbox, but if it is, I'm sure the original lunchbox would be worth something. I don't remember what I paid for this one, but it wasn't more than $5.
Betty Boop Lunchbox salt & pepper shakers
Woolly Mammoth Legal Ivory Eagle Head Carving