The dealers salivate over a museum-quality Penny Farthing on sale for only the second time in its 100 year history; a 10,000 year old woolly mammoth fossil sets Jenny against Gillian; the dealers question the value of some Damien Hirst artworks; and Nik and Scott get into a bidding war over a pristine example of an early Rolex watch dating from the Second World War.
