I dunno, I was curious so I just chucked a Takara G1 reissue Galvatron in the cart to see and it says "Shipping Charge (Australia) : $20.98".
That's Registered Air Mail Parcel by the way, not EMS. EMS says $28.67.
Unless those figures arn't the final post costs? I havn't used RK before so I wouldn't know.