Throughout its long history,Ayutthaya had a thriving commerce in "forest produce",principally sapanwood (a wood which produces reddish dye),eaglewood (an aromatic wood),benzoin(a type of incense),gumlac (used as wax),and deerhides (much in demand in Japan).Elephant teeth and rhinoceros horns were also highly valued exports,but the former was a strict royal monopoly and the latter relatively rare,especially compared with deerhides.Ayutthaya also sold provisions such as rice and dried fish to other Southeast Asian states.The range of minerals found in the kingdom was limited,but tin from Phuket(Junkceylon)and