Australia 1999 20 cents

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 date is common.

Recorded mintage: 64,181,000 plus 28,000 proofs.

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

Catalog reference: KM 403.

Source:

• 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.
• Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1901-2000, 47th ed., Iola, WI: Krause Publications, 2019.

Link to:

• 1997 20 cents
• 1999 10 cents
• 1999-P dollar, Year of The Rabbit, 1 oz silver
• 1999 2 dollars
• 1999 30 dollars, 1 kilo silver kookaburra
• 1999-P 100 dollars, centennial of the Perth mint
• 2000 dollar
• 2000 100 dollars, Year of the Dragon
• 2005 20 cents, end of World War Two
• Coins and currency dated 1999
• return to coins of Australia