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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 - Coat of Arms full face viewer
1978 Australia Fifty Cents - Coat of Arms Reverse
1978 Australia Fifty Cents - Coat of Arms Obverse
Type Coin
Country Australia
Denomination Fifty Cents
Year 1978
Variety In Mint Sets
Shape Dodecagonal

Overview

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.

Market Data

eBay Active Listing Prices

live-listing-history data, retrieved 11 Oct 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 15.74 Range LowAUD 3.00 Range HighAUD 39.99 Listings In Range6
True Average High-Low Trend
AUD 43.69 AUD 29.13 AUD 14.56 AUD 0 28 Nov 2025 | Avg AUD 11.00 | Low AUD 11.00 | High AUD 11.0001 Apr 2026 | Avg AUD 3.50 | Low AUD 3.50 | High AUD 3.5015 May 2026 | Avg AUD 7.00 | Low AUD 7.00 | High AUD 7.0009 Jul 2026 | Avg AUD 3.00 | Low AUD 3.00 | High AUD 3.0021 Jul 2026 | Avg AUD 29.95 | Low AUD 29.95 | High AUD 29.9507 Oct 2026 | Avg AUD 39.99 | Low AUD 39.99 | High AUD 39.99 28 Nov 25 09 Jul 26 07 Oct 26

Latest Five Live Listings

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1993 PROOF Australian 50c Fifty Cent Coin - Coat of Arms, in 2x2 Holder RM Head AUD 39.99 listed 07 Oct 2026 Australia 1978 PROOF 50 Cent coin Uncirculated Coat of Arms AUD 29.95 listed 21 Jul 2026 1978 50c Coin – Fifty Cents Coat of Arms Design – Lightly Circulated – LC7850-1 AUD 3.00 listed 09 Jul 2026 1978 50c Coin – Fifty Cents Coat of Arms Design – Uncirculated – UC7850-1 AUD 7.00 listed 15 May 2026 1978 - 50 Fifty Cent Australia Coins - Coat of Arms - Circulated Vintage AUD 3.50 listed 01 Apr 2026
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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 - 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.
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.
1979 Australia Fifty Cents - Coat of Arms1979 Australia Fifty Cents - Coat of Arms alternate face
CatalogueCoin
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.
1976 Australia Fifty Cents - Coat of Arms1976 Australia Fifty Cents - Coat of Arms alternate face
CatalogueCoin
1976 Australia Fifty Cents - Coat of Arms

Australia Fifty Cents 1976 In Mint Sets 1976 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.
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.

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