Australia Flag Australia • AUD ($) • 1984 • KM# 77

Australia 1 Dollar (1984) Specifications

Verify official mint weight in grams, millimeter dimensions, obverse and reverse engravings, and roll weights for the Australia 1 Dollar (1984) coin.

9.00 g
0.2894 oz t
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25.00 mm
2.50 mm Thick
Match Capsule Size
KM# 77
Technical Specs
Inspect Design & Alloy
185,985,000
Roll & Scale Calc
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Numismatic Examination

Obverse, Reverse & Technical Registry

Coin ID #169 • KM# 77
Australia Flag
Visual Reference

Coin Imagery & Details

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Obverse Design & Legend

Second portrait of Queen Elizabeth II facing right wearing the Girls of Great Britain and Ireland Tiara, accompanied by the legend 'ELIZABETH II' on the left and 'AUSTRALIA 1984' on the right.

Reverse Design & Denomination

Iconic 'Mob of Roos' design depicting five kangaroos bounding in a circle toward the left, with the denomination '1 DOLLAR' positioned below the largest kangaroo in the foreground and the designer's initials 'SD' at the base.

Edge Inscription & Profile

Interrupted reeded edge featuring seven reeded segments (11 grooves each) alternating with seven shorter smooth segments.

Numismatic Notes & Remarks

Introduced by the Royal Australian Mint on May 14, 1984, to replace the green Australian $1 paper banknote. Struck in an aluminium-bronze alloy (92% copper, 6% aluminium, 2% nickel). Notably, 1984 is the only circulation year of the Australian 1 Dollar coin to feature Arnold Machin's second effigy of Queen Elizabeth II before switching to Raphael Maklouf's portrait in 1985.

Country: Australia → Currency: Australian Dollar ($ / AUD) Denomination: 1 Dollar Year: 1984 Shape: Round Gold Coins Hub →
Estimate Grade (1–70)
Physical & Metallurgical Data

Official Mint Specifications

Issuing Country Australia →
Face Value / Denomination 1 Dollar
Official Currency Australian Dollar ($ • AUD)
Minting Year 1984
Krause Catalog (KM#) KM# 77
Weight (Grams / Troy oz)
9.00 g (0.2894 oz t) Test Mass
Diameter
25.00 mm Fit Capsule
Thickness 2.50 mm
Planchet Shape Round
Edge Type Interrupted reeding
Material / Composition Aluminium, Aluminium-Bronze, Copper, Nickel
Surface Color / Tone Gold
Featured Personality / Ruler Queen Elizabeth II (Monarch)
Engraver / Designer Obv: Arnold Machin | Rev: Stuart Devlin
Recorded National Mints Royal Australian Mint (Canberra)
Total Pieces Minted
185,985,000 Grade ROI
Load this coin's exact physical specifications directly into our interactive tools:
Calculate Melt Value Verify 9.00 g Authenticity 25.00 mm Capsule & Flip
Roll Hunter Reference Matrix • 9.00 g / Coin

1 Dollar (1984) Scale & Roll Weights

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Interactive Scale & Piece Calculator

Enter a coin quantity or type your digital scale reading in grams to calculate exact roll totals:

pcs
g
Total Troy Ounces 7.234 oz t
Total Face Value 25 Dollar
Quick Check 10 pcs

10 Coins (Short Stack)

90.00 g
Troy Ounces: 2.894 oz t
Weigh 10-Coin Batch
Standard Stack 20 pcs

20 Coins (Half Roll)

180.00 g
Troy Ounces: 5.787 oz t
Weigh 20-Coin Batch
Bank Roll 25 pcs

25 Coins (Standard Roll)

225.00 g
Troy Ounces: 7.234 oz t
Weigh 25-Coin Batch
Bank Roll 40 pcs

40 Coins (Standard Roll)

360.00 g
Troy Ounces: 11.574 oz t
Weigh 40-Coin Batch
Full Roll 50 pcs

50 Coins (Full Roll)

450.00 g
Troy Ounces: 14.468 oz t
Weigh 50-Coin Batch
Roll Hunting 100 pcs

100 Coins (Bulk Bag)

900.00 g
Troy Ounces: 28.936 oz t
Weigh 100-Coin Batch
Specification & Authentication Reference

Australia 1 Dollar (1984) Coin FAQ

The official Australia 1 Dollar (1984) coin from Australia (Krause catalog reference KM# 77) has a standard mint weight of 9.00 grams (0.2894 troy oz) and a diameter of 25.00 mm with an edge thickness of 2.50 mm.

Verify 9.00 g Tolerance

Based on a single planchet mass of 9.00 g, a 25-coin bank roll of Australia 1 Dollar (1984) weighs 225.00 grams (7.234 oz t), a 40-coin roll weighs 360.00 grams, and a 50-coin full roll weighs 450.00 grams (excluding paper wrapper weight).

Open Coin Roll Calculator

With an official diameter of 25.00 mm and thickness of 2.50 mm, the Australia 1 Dollar (1984) requires a direct-fit or ring-fit acrylic capsule matched to 25.00 mm. The planchet is struck in Aluminium, Aluminium-Bronze, Copper, Nickel.

Match 25.00 mm Capsule Size

Have a Stack or Roll of 1 Dollar Coins on Your Scale?

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