I don’t have direct experience with this but I looked it uo for you
I understand that the rules have become more stringent and in many cases you may not be able to export , also please understand that the UK is no longer part of the EU
https://ec.europa.eu/commission/pres.../qanda_21_6888
this is about the UK
https://www.gov.uk/guidance/dealing-...-made-of-ivory