Another week, another pair of online auctions that surprised on the upside as the estates of Martyn Cook, Judith Hoyle and Andrew Pratten went under the hammer in Sydney and more than 800 items from the home of Sir Joh and Lady Flo Bjelke-Petersen sold in Brisbane.

"Buyers are totally confident to bid online when they receive a professional condition report," said Andrew Shapiro after his sale on Sunday.