50 Cents - Elizabeth II (3rd Portrait - 25 Anniversary of Decimal Currency) 1991 front 50 Cents - Elizabeth II (3rd Portrait - 25 Anniversary of Decimal Currency) 1991 back
50 Cents - Elizabeth II (3rd Portrait - 25 Anniversary of Decimal Currency) 1991 photo
© brismike (CC BY-NC)

50 Cents - Elizabeth II 3rd Portrait - 25 Anniversary of Decimal Currency

1991 year
Copper-nickel (75% Copper, 25% Nickel) 15.55 g 31.51 mm
Description
Issuer
Australia
Queen
Elizabeth II (1952-2022)
Type
Circulating commemorative coin
Year
1991
Value
50 Cents 0.50 AUD = USD 0.34
Currency
Dollar (1966-date)
Composition
Copper-nickel (75% Copper, 25% Nickel)
Weight
15.55 g
Diameter
31.51 mm
Thickness
3 mm
Shape
Dodecagonal (12-sided)
Technique
Milled
Orientation
Medal alignment ↑↑
Updated
2024-10-04
References
Numista
N#12591
Rarity index
14%

Reverse

Head of Merino Ram

Script: Latin

Lettering:
25th ANNIVERSARY OF DECIMAL CURRENCY
·FIFTY CENTS·

Designers: George Kruger Gray, Horst Hahne

Edge

12 Sided Smooth

Comment

Released into circulation by the RAM in 1991 is this Rams Head commemorative coin the reverse of which was designed by RAM master sculptor Horst Hahne using the Rams Head from the Australian shilling which was minted from 1938 to 1963. The coin celebrates 25 years since the introduction of decimal currency in Australia in 1966.

The coin was included in the Year Proof & Year Uncirculated Sets for 1988.