Whether there was actual migration, or how much, or whether "this culture developed because of the proximity of Roman trading systems, rather than a wholesale movement of continental peoples" remains the subject of debate.
[1] A cemetery of the British Iron Age discovered in 1886 at Aylesford in Kent was excavated under the leadership of Sir Arthur Evans, and published in 1890.
Evans' conclusion that the site belonged to a culture closely related to the continental Belgae, remains the modern view, though the dating has been refined to the period after about 75 BC.
His analysis of the site was still regarded as "an outstanding contribution to Iron Age studies" with "a masterly consideration of the metalwork" by Sir Barry Cunliffe in 2012.
[3] Vessels are generally wheel-thrown, and show cordons (strips of clay added around the pot), 'corrugation', and zones of combed or 'furrowed' decoration.