CD, I don't think your post makes sense. You say in one sentence that the sale of ivory worked before 1947 is part of the the UN CITES agreement and is staying the way it is, and in the next sentence you say that there is a proposal to extend this rule to all ivory objects regardless of age, so that the Lewis Chessmen etc etc.
"Currently you can only sell ivory that was worked into its present form before 1947 - that is part of the UN CITES agreement that protects endangered species. That is a UN rule and isn't changing.
It was the proposal to extend this rule in the UK to all ivory objects regardless of age that has been dropped. So things like the Lewis Chessmen could never have been bought for the British Museum."
So - what IS proposed (correct me if I'm wrong) is that the sale of antique ivory, chessmen, etc, is staying (as they were worked before 1947 and you say that agreement's not changing). But that a proposed ban on the sale of newer ivory is dropped. So that items formed from new ivory will be sellable. So that means elephants will still be poached as there will be no ban.
This does not sound reasonable to me. The way it is, where items formed before 1947 can be sold, sounds reasonable. Why is TM wanting to change it?