50 Cents - Elizabeth II (2nd Portrait - Round type) 1966 front 50 Cents - Elizabeth II (2nd Portrait - Round type) 1966 back
50 Cents - Elizabeth II (2nd Portrait - Round type) 1966 photo
© brismike (CC BY-NC)

50 Cents - Elizabeth II 2nd Portrait - Round type

1966 year
Silver (.800) (Copper .200) 13.28 g 31.5 mm
Description
Issuer
Australia
Queen
Elizabeth II (1952-2022)
Type
Standard circulation coin
Year
1966
Value
50 Cents 0.50 AUD = USD 0.34
Currency
Dollar (1966-date)
Composition
Silver (.800) (Copper .200)
Weight
13.28 g
Diameter
31.5 mm
Thickness
2.55 mm
Shape
Round
Technique
Milled
Orientation
Medal alignment ↑↑
Updated
2024-10-04
References
Numista
N#6761
Rarity index
8%

Reverse

Australian coat of arms with large numerical denomination below

Script: Latin

Lettering:
50
SD

Designer: Stuart Devlin

Edge

Reeded

Comment

The round Australian 50 cent piece was introduced at the changeover to decimal currency in Australia in 1966. It is the only circulating round 50 cent piece, containing 80% silver and 20% copper. It was not long before the value of the silver content far outweighed the fifty cent face value and it was withdrawn from production and replaced in 1969 with the Copper-nickel dodecagonal (12 sided) shape. Despite them being withdrawn from circulation many millions of the coins were hoarded by the Australian public.

Over 18,000 Proof Sets containing the round silver 50 cent were issued but due to the coins being open to the elements a lot of them have become very toned.