Minted in .925, this silver proof commemorative coin was produced to mark the 25th anniversary of the coronation 1953-1975 of Her Magesty Queen Elizabeth ll (1926-2022). The obverse features portrait of Queen Elizabeth ll. The reverse depicting 5 sovereign queens of England in circles with name and dates, Mary l, Elizabeth l, Mary ll, Anne, and Victoria, surrounding the Fifty Dollars denomination. Designed by British sculptor and designer Arnold Machin and Michael Rizzelo (1926-2004).
 
 
Details
 
Issuer 
Cayman Islands (British Overseas Territories)
 
Queen
Elizabeth ll (1952-2022)

Type
Non-circulating coin
 
Year
1975-1978

Value 
50 Dollars 

Currency 
Dollar
 
Composition
Silver (.925)
 
Weight
64.8 g
 
Diameter
50 mm

Shape
Round
 
Technique
Milled

Orientation
Medal alignment
 
Commememorative Issue
Sovereign Queens of England 
 
Mint
Royal Canadian Mint of Ottawa, Canada (1908-date)