I just looked at today's exchange rate.
If you want to buy a 1000 Vatu note, you pay $10.50 U S dollars......1-1/20 cents per Vatu. (21 c for 20 Vatu)
If you want to buy a 1000 Vatu note, you pay $11.48 Aussie dollars.....1-1/7th cents per Vatu. (8 c for 7 Vatu)
Might that note be dated? I don't see one on the obverse.