Australia 2017 20 cents KM-403

a typical circulated specimen, from the Mountain Groan Collection

In 1966, Australia abandoned the sterling coinage she had used since the days of Captain Cook and adopted the decimal dollar and cent. This bust of the queen was introduced in 1999 and still appears on the twenty cent piece. This is the regular issue, altho this denomination is frequently used for commemoratives.

Recorded mintage: 29,855,504 plus 8,207 proofs.

Specification: 11.31 g, copper-nickel, 28.65 mm diameter.

Catalog reference: KM 403.

Source:

• Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 2001-Date, 13th ed., Iola, WI: Krause Publications, 2018.
• McDonald, Greg, The Pocket Guide to Australian Coins and Banknotes, 23rd ed., Lavington, Australia, 2017. ♪
• Pitt, Michael, Renniks Australian Coin and Banknote Values, 32nd Edition, Matraville, New South Wales, Australia: Renniks Publications, 2023.

Link to:

• 2016 20 cents, platypus reverse
• 2016-P 500 dollars, Kimberley Sunrise, 2 oz gold
• 2017-C 10 dollars, Trans-Australian Railway
• 2017 25 dollars, Perth mint sovereign
• 2017 50 dollars, Year of the Rooster, ½ oz gold
• Coins and currency dated 2017
• return to coins of Australia