See some signs on the way home promoting this (http://www.pns.org.au/events.html): Sunday 4 November. Stamp, Coin and Banknote Fair, Mandurah Philatelic Society and Peel Region Numismatic Group, Bortolo Pavilion, cnr Bortolo Drive and Murdoch Drive, Mandurah, 9am - 3pm. Anyone going? Might pop my head in.