This is quite a delicate quistion, as most shipping agents will have nothing to do with shipping weapons of any kind. Try to ask the auction house.
If there is ivory inlaid, I hope you have a certificate.
HELLO JENS ,WOULD THE AUCTION HOUSE GIVE ME A CERTIFICATE ON THEIR LETTER HEAD,HOW DO I PROCURE A CITES OCUMENT FOR THIS GUN AS IT HAS IVORY INLAY,KIND REGARDS RAJESH