PAPUA NEW GUINEA. Constitutional Monarchy. Standard Coinage. 1976 Proof coin set, (KM PS2). 8 coins sealed for protection in original case with Certificate of Authenticity dated May 16 1976. Featuring the impressive Bird of Paradise 10 Kina (45mm), and New Guinea eagle 5 Kina (40mm), both these coins are silver, the 10 Kina is 0.9250 and the 5 Kina 0.500. Reference numbers are: 10 Kina, KM8a, mintage of 21,000, 5 Kina, KM7a, mintage16,000. Excellent clean set.