Postcard, 19th century. Private collection
The mass industrial processing of ivory in Europe brought with it that the elephant hunt on the African continent also became more costly and complex. The Congo Basin, where the herds had retreated, was difficult to access. In addition, it was a great logistical challenge to transport the tusks, which could be up to 4 meters long, to the central trading posts on the coast – for example, to Zanzibar.