Hi all!   I recently bought these two pieces of mammoth tusk that have been fished up from the North Sea during the 80ties.   The current owner inherited them and didn't know if they had been desalinized.   The larger one was badly preserved and coated with some sort lacquer with all kinds of ugly blobs. I did 3 passes of 400 grit water resistant sandpaper on both of them which removed all the old gunk from the larger one and smoothed both of the tusks out n