`` the flow of goods to sydney begins to look incidental , '' tharkay observed : by the evening of the dinner , a portuguese barque had joined the increasing throng , and without wishing to play the spy , laurence had seen some dozen small and heavy chests brought onto shore , carefully , and set into the dragon pavilion under guard : almost certainly coinage , and in enough quantity judging by the size to pay for holds full of silk and porcelain and tea ; where these goods were to come from , however , laurence did not see .