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1979 Australia Fifty Cents - Coat of Arms

Australia Fifty Cents 1979 In Mint Sets 1979 Australian fifty-cent coin. Design: standard Commonwealth Coat of Arms reverse sculpted by Stuart Devlin. Obverse: Queen Elizabeth II, Arnold Machin portrait. Issue/finish: In Mint Sets. Specifications: 75% copper and 25% nickel, dodecagonal shape, plain edge, 31.65 mm across flats and 15.55 g mass.

1979 Australia Fifty Cents - Coat of Arms full face viewer
1979 Australia Fifty Cents - Coat of Arms Reverse
1979 Australia Fifty Cents - Coat of Arms Obverse
Type Coin
Country Australia
Denomination Fifty Cents
Year 1979
Variety In Mint Sets
Shape Dodecagonal

Overview

1979 Australian fifty-cent coin. Design: standard Commonwealth Coat of Arms reverse sculpted by Stuart Devlin. Obverse: Queen Elizabeth II, Arnold Machin portrait. Issue/finish: In Mint Sets. Specifications: 75% copper and 25% nickel, dodecagonal shape, plain edge, 31.65 mm across flats and 15.55 g mass.

Market Data

eBay Active Listing Prices

live-listing-history data, retrieved 05 Jun 2026

Chart dates use eBay listing-start dates. Coinote scrape dates are not used as listing dates. Summary reflects the selected chart range.

Range AverageAUD 11.66 Range LowAUD 4.61 Range HighAUD 23.13 Listings In Range10
True Average High-Low Trend
AUD 24.98 AUD 17.57 AUD 10.17 AUD 2.76 05 May 2022 | Avg AUD 9.50 | Low AUD 9.50 | High AUD 9.5013 Feb 2024 | Avg AUD 20.04 | Low AUD 20.04 | High AUD 20.0402 Apr 2024 | Avg AUD 10.78 | Low AUD 10.78 | High AUD 10.7824 Dec 2024 | Avg AUD 11.56 | Low AUD 11.56 | High AUD 11.5624 Feb 2025 | Avg AUD 10.79 | Low AUD 10.79 | High AUD 10.7919 Jul 2025 | Avg AUD 23.13 | Low AUD 23.13 | High AUD 23.1321 Sep 2025 | Avg AUD 7.71 | Low AUD 7.71 | High AUD 7.7115 May 2026 | Avg AUD 8.50 | Low AUD 8.50 | High AUD 8.5017 May 2026 | Avg AUD 7.32 | Low AUD 4.61 | High AUD 10.02 05 May 22 24 Feb 25 17 May 26

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Australia 1979 Fifty cent Coat of Arms 50c Ex Coin Roll AUD 10.02 listed 17 May 2026 1979 50C Kennedy Half Dollar AUD 4.61 listed 17 May 2026 1979 50c Coin – Fifty Cents Coat of Arms Design – Uncirculated – UC7950-1 AUD 8.50 listed 15 May 2026 1979 50C Kennedy Half Dollar RARE Mint Mark Double Strike. FG Clear AUD 7.71 listed 21 Sep 2025 1979 50C Kennedy Half Dollar AUD 23.13 listed 19 Jul 2025
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Coinote Albums

Australia Fifty Cents (Decimal Series)
AlbumAustralian Decimal Coins
Australia Fifty Cents (Decimal Series)

Australian fifty cent decimal coin catalog covering the 1966 round silver issue, dodecagonal coat of arms coins, commemoratives, PNC, proof and collector issues.

Related Coins And Notes

1978 Australia Fifty Cents - Coat of Arms1978 Australia Fifty Cents - Coat of Arms alternate face
CatalogueCoin
1978 Australia Fifty Cents - Coat of Arms

Australia Fifty Cents 1978 In Mint Sets 1978 Australian fifty-cent coin. Design: standard Commonwealth Coat of Arms reverse sculpted by Stuart Devlin. Obverse: Queen Elizabeth II, Arnold Machin portrait. Issue/finish: In Mint Sets. Specifications: 75% copper and 25% nickel, dodecagonal shape, plain edge, 31.65 mm across flats and 15.55 g mass.
1978 Australia Fifty Cents - Fiji Mule
CatalogueCoin
1978 Australia Fifty Cents - Fiji Mule

Australia Fifty Cents 1978 1978 Australian fifty-cent coin. Theme/variety: Fiji Mule. This is a mule or wrong-obverse/wrong-pairing variety, so the obverse image should be treated as specific to this entry. Obverse: unique mule obverse pairing. Specifications: 75% copper and 25% nickel, dodecagonal shape, plain edge, 31.65 mm across flats and 15.55 g mass.
1980 Australia Fifty Cents - Coat of Arms1980 Australia Fifty Cents - Coat of Arms alternate face
CatalogueCoin
1980 Australia Fifty Cents - Coat of Arms

Australia Fifty Cents 1980 In Mint Sets 1980 Australian fifty-cent coin. Design: standard Commonwealth Coat of Arms reverse sculpted by Stuart Devlin. Obverse: Queen Elizabeth II, Arnold Machin portrait. Issue/finish: In Mint Sets. Specifications: 75% copper and 25% nickel, dodecagonal shape, plain edge, 31.65 mm across flats and 15.55 g mass.
1977 Australia Fifty Cents - Coat of Arms
CatalogueCoin
1977 Australia Fifty Cents - Coat of Arms

Australia Fifty Cents 1977 1977 Australian fifty-cent coin. Design: standard Commonwealth Coat of Arms reverse sculpted by Stuart Devlin. Obverse: Queen Elizabeth II, Arnold Machin portrait. Specifications: 75% copper and 25% nickel, dodecagonal shape, plain edge, 31.65 mm across flats and 15.55 g mass.
1977 Australia Fifty Cents - Silver Jubilee1977 Australia Fifty Cents - Silver Jubilee alternate face
CatalogueCoin
1977 Australia Fifty Cents - Silver Jubilee

Australia Fifty Cents 1977 In Mint Sets 1977 Australian fifty-cent coin. Theme: royal commemorative or portrait tribute focused on Silver Jubilee. Obverse: Queen Elizabeth II, Arnold Machin portrait. Issue/finish: In Mint Sets. Note: precious-metal wording indicates a special collector version. Specifications: 75% copper and 25% nickel, dodecagonal shape, plain edge, 31.65 mm across flats and 15.55 g mass.
1981 Australia Fifty Cents - Coat of Arms1981 Australia Fifty Cents - Coat of Arms alternate face
CatalogueCoin
1981 Australia Fifty Cents - Coat of Arms

Australia Fifty Cents 1981 In Mint Sets 1981 Australian fifty-cent coin. Design: standard Commonwealth Coat of Arms reverse sculpted by Stuart Devlin. Obverse: Queen Elizabeth II, Arnold Machin portrait. Issue/finish: In Mint Sets. Specifications: 75% copper and 25% nickel, dodecagonal shape, plain edge, 31.65 mm across flats and 15.55 g mass.

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