Cook Islands 1974 Series 9 Proof Coin Set including 7 1/2 dollar silver coin. The Obverse features Queen Elizabeth facing right . The reverse features Bicentenary Cook’s discovery of Hervey Islands September 23 1773 Manuae Te Au O Tu portrait of Cook facing left, image of ship left, star to right, Hervey Islands map below.
 
 
Details
 
Issuer 
Cook Islands
 
Queen
Elizabeth ll (1952-2022)

Type
Non-circulating coin
 
Year
1973-74

Value 
7.5 Dollars
7.5 NZD=USD 4.60

Currency 
Dollar
 
Composition
Silver (.925)
 
Weight
33.8000 g 
 
Diameter
42 mm
 
Thickness
3 mm

Shape
Round
 
Technique
Milled

Orientation
Medal alignment
 
Commenorative Issue
200th Anniversary of the Discovery of the Hervey Islands

Obverse
Elizabeth ll , date below

Engraver
Arnold Machin

Reverse
H.M.S. Resolution and Cook's profile above map of Hervey Islands 
 
Engraver
George James Berry

Edge
Reeded
 
Mint
Royal Australian Mint, Canberra, Australia (1965-date)