G'day John, I bid on line for it ,it's not a live auction on the internet , you just place your bids prior to the day and take your chances. I went to a live auction yesterday ,they had a tv screen set up and we were biding against people from all over Australia in real time ...much better setup .Ended up with an ex army quad bike .
Your 3 barrel Heym would still be available , call them and make an offer ,they're there to sell stuff

cheers
Pete