I want to sell, my Palladium coin collection

1967, Tonga issued palladium coins on the occasion of the Coronation of King Taufa Ahau Tupou IV, thereby achieving a world's first.
Coin set:
1 Hau x 4
Half Hau x 8
Quarter Hau x 4

Very good condition and has been stamped!
If you ar interested in i can send pictures to your email!
My email [email protected]