Watch List notes:

SINCONA BRITISH COLLECTION – PART 4. GREAT BRITAIN. EDWARD VII. 1901-1910. For Australia
Half Sovereign 1904 P, Perth. Bare head, no B.P. in exergue. 3.98 g. Hill 518 (R). Spink 3976A. Fr. 37. Selten / Rare. NGC AU58.
(~€ 400/USD 430)

Tied with two other for finest certified by NGC.