Australian Gold Sovereign (Sydney/Melbourne/Perth)

Australian Gold Sovereign (Sydney/Melbourne/Perth)
Specifications
Denomination
1 sovereign
Series
Australian Gold Sovereigns
Designer
Benedetto Pistrucci (St. George reverse; obverse portrait varies by monarch)
Composition
91.67% Gold, 8.33% Copper
Weight
7.9881 g
Diameter
22.05 mm
Edge
Reeded
Key mintages
No series-wide total verified across the three branch mints.
Melt value: $1,022.95gold $4,345.00/ozt, copper $0.44/ozt · prices as of Sep 16, 2026
1888 Melbourne-mint Australian gold sovereign with M mintmark below the dragon; representative type photo.
Mustang Joe / Wikimedia Commons (CC0)

Gold-rush sovereigns from the southern hemisphere: 7.9881 g of 22-carat gold holding 0.2354 oz pure — the S, M, and P mint marks tell Sydney from Melbourne from Perth.

History

  • Australian gold sovereigns were struck at three branch mints of the Royal Mint — Sydney (S, from 1855), Melbourne (M, from 1872), and Perth (P, from 1899) — and were legal tender to the same 7.9881 g, 22-carat standard as the London sovereign (coinnews.net).
  • The coins carry the reigning monarch's portrait on the obverse — Victoria, Edward VII, or George V depending on date — with Benedetto Pistrucci's St George and the Dragon reverse (newcastlegoldbuyers.com.au; coinnews.net).
  • The mint mark appears in the reverse exergue, just below the dragon — S for Sydney, M for Melbourne, P for Perth (coinnews.net).
  • The Perth Mint opened in 1899 as the third and last Australian branch mint, making P-mint sovereigns a shorter series than Sydney and Melbourne (coinnews.net).

What is it worth

  • Melt value = 0.2354 × the current gold spot price per troy ounce (coinnews.net). Common-date circulated pieces trade at a modest premium over melt as bullion (Heritage Auctions).
  • Branch-mint premiums run above London sovereigns in comparable grade; late-19th-century Melbourne Mint sovereigns are noted as highly collectible (newcastlegoldbuyers.com.au).

What drives the premium

  • Value drivers: 0.2354 troy oz of pure gold sets the floor; the branch mint mark (Perth the scarcest of the three), the monarch's portrait type, date rarity, and condition set the premium (coinnews.net; newcastlegoldbuyers.com.au).

How to identify the valuable variety

  • Check the mint mark below the dragon in the reverse exergue: S (Sydney), M (Melbourne), or P (Perth) (coinnews.net).
  • Identify the monarch: Victoria's veiled or young-head portraits, Edward VII, and George V issues each form their own sub-series with different keys (newcastlegoldbuyers.com.au; coinnews.net).
  • Confirm 7.9881 g and 22.05 mm — the sovereign standard shared with London (Heritage Auctions; coinnews.net).

Specifications

  • Composition: 22-carat gold (91.67% Au) (coinnews.net)
  • Weight: 7.9881 g (coinnews.net)
  • Gold content: 0.2354 troy oz AGW — 7.9881 g × 0.9167 (coinnews.net); melt value = 0.2354 × the current gold spot price
  • Diameter: 22.05 mm (coinnews.net)
  • Edge: Reeded (Heritage Auctions)
  • Designers: Obverse: portrait of the reigning monarch (Victoria, Edward VII, or George V); reverse: Benedetto Pistrucci — St George and the Dragon (coinnews.net; newcastlegoldbuyers.com.au)
  • Mints: Sydney (S), Melbourne (M), Perth (P) — mint mark in the reverse exergue (coinnews.net)
  • Years: 1855–1931 across the three branch mints; Perth from 1899 (coinnews.net)

Collector notes

  • Quick authenticity screen: a genuine sovereign weighs 7.99 g and measures 22.05 mm (coinnews.net; Heritage Auctions).
  • See also the World Gold Coins hub for more classic gold issues.

Market check

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