Watch List notes:

Twenty dollars, Coombs/Wilson (1966) XAE 115382/3 (R.401) consecutive pair, XAA 206290 (R.401F) first prefix; Phillips/Randall (1968) general prefixes (R.403 [3]). Third note with small tears in top and bottom edges, very good - fine. (6)

Estimate: 150 AUD