While antique traders argue otherwise, campaigners say removing ban would hamper global efforts to fight poaching.
The high court will hear an attempt to block a total ban on ivory trading this week, ahead of the imminent Brexit deadline and amid fears from conservationists that any change could revitalise elephant poaching.
Antique traders, who argue that sales of “cultural heritage” objects have no impact on the market for illegally-plundered tusks, are challenging the government over the 2018 Ivory Act which attracted cross-party support.