AUSTRALIAN GOLD SOVEREIGNS. George V, 1910-1936. Gold Sovereign, 1926-P, Perth. 7.99 g. 22.05 mm. Marsh 265, S.4001. The key date in the Perth series and hard to come by in this condition. Spink lists UNC at £3000. Housed in a secure plastic holder, authenticated and graded PCGS MS63, certification number 30758395.