1977 Australia Elizabeth II 50 Cents (Dodecagonal, Error - Double Obverse) – reverse

8/10

Photo: Numista

1977 Australia Elizabeth II 50 Cents (Dodecagonal, Error - Double Obverse)

Elizabeth II 2nd Portrait; Dodecagonal

1977AustraliaError - Double Obverse

Worth about £1.04 in circulated condition. 2 were minted.

Denomination

50 Cents

Type Value

£1.04

Numista type value · Mar 20261977 not priced separatelyHow we value coins

Condition

Circulation

Mintage

Physical Properties

Composition:Copper-nickel (75% Copper, 25% Nickel)

Weight:15.55g

Shape:Dodecagonal (12-sided)

Diameter:31.51mm

Thickness:3mm

Currency:Dollar (1966-date)

Mint:Royal Australian Mint

Features & Details

Dodecagonal (12-sided)Copper-nickel (75% Copper, 25% Nickel)

Value source:Numista type value

Value date:6 Mar 2026

Versions of the 1977 Australia Elizabeth II 50 Cents

Photo: Numista
CirculationDodecagonal, Mule - 7 known to exist…
£1.04
Mintage 7
1977 Australia Elizabeth II 50 Cents (Dodecagonal, Mule - 7 known to exist…)
Photo: Numista
CirculationDodecagonal, Error - Double Obverse
£1.04
Mintage 2
1977 Australia Elizabeth II 50 Cents (Dodecagonal, Error - Double Obverse) (this page)

Australia Elizabeth II 50 Cents by year

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