The blacks there reckon by copper bars, reducing all sorts of goods to such bars; for example, 1 bar of iron, 4 copper bars; a man slave for 38 and a woman slave for 37 or 36 copper bars.
"The Dutch have the greatest share in the trade here in yachts sent from Mina on the Gold Coast, whose cargo consists mostly of small copper bars of the same sort as mentioned at Old Calabar, iron bars, coral, brass basons, of the refuse goods of the Gold Coast, bloom coloured beads or bugles and purple copper armlets or rings made at Loanda in Angola, and presses for lemons and oranges. In exchange for which they yearly export from thence 400 or 500 slaves, and about 10 or 12 tons weight of fine large teeth, 2 or 3 of which commonly weigh above a hundredweight, besides accory, javelins and some sorts of knives which the blacks there make to perfection, and are proper for the trade of the Gold Coast."
"Ambozes country, situated between the Rio del Rey and Rio Camarones, is very remarkable for the immense height of the mountains it has near the sea-shore, which the Spaniards call Alta Tierra de Ambozi, and reckon some of them as high as the Pike of Teneriffe (this refers to the great Camaroon, 13,760 feet). Trade in teeth, accory and slaves, for iron and copper bars, brass pots and kettles, hammered bugles or beads, bloom colour purple, orange and lemon colour, ox horns, steel files, &c."
The trade in the Rio Gabon at this time was inferior to