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20 Cents - Elizabeth II 2nd portrait

20 Cents - Elizabeth II (2nd portrait) -  obverse20 Cents - Elizabeth II (2nd portrait) -  reverse

© Museum Victoria

Features

Country Australia
Queen Elizabeth II (1952-date)
Type Standard circulation coin
Years 1966-1984
Value 20 Cents
0.20 AUD = 0.13 USD
Currency Dollar (1966-date)
Composition Copper-nickel
Weight 11.3 g
Diameter 28.65 mm
Thickness 2.5 mm
Shape Round
Orientation Medal alignment ↑↑
References KM# 66,
Standard Catalog of World Coins
by George S. Cuhaj
(Krause Publications)
Schön# 53
Weltmünzkatalog
by Gerhard Schön, Günter Schön
(Battenberg Gietl Verlag)

Obverse

2nd portrait of Queen Elizabeth II facing right wearing the Girls of Great Britain and Ireland Tiara

Lettering:
ELIZABETH II
AUSTRALIA 1966

Engraver: Arnold Machin

Arnold Machin O.B.E., R.A. was a British artist, sculptor, coin and stamp designer.

Reverse

Platypus (Ornithorhynchus anatinus) and the numeral "20"

Lettering:
20
SD

Engraver: Stuart Devlin

Stuart Leslie Devlin, AO, CMG is a significant contemporary gold and silversmith. Australian-born, he has designed coins for countries around the world, and became especially well known as London-based designer of gold and silver collector's items in the 1970s and 80s.

Edge

Reeded

20 Cents - Elizabeth II (2nd portrait) -  obverse

© Mike Bentley

Comments

One of the coins introduced in 1966 at the commencement of decimal currency is this iconic Platypus 20 cent coin. The reverse was designed by Stuart Devlin. The coin has remained in production and circulation with the same reverse up to the current date and is now on its 4th Obverse. (Machin, Makleouf, Rank-Broadly & Clark)

These are images of the first Proof & UNC Set containing the coin in 1966.
 

No Proof or UNC Sets were produced in 1967 or 1968.

While many millions of 20 cent coins were minted in 1983 & 1984, almost the entire production run was melted down and exported as base metal cupro-nickel bars due to lack of demand. Only one x $200 uncirculated mint roll box of each year has surfaced to date. So while nearly 83 million were minted in these 2 years combined only 2,000 actually are known to exist.

A Fine Silver (.999) Proof version of this coin was included in the 2006 40 Yrs of Decimal Currency Fine Silver Proof Set. (See link)

The two different mintmarks on the 1966 coin, thanks to
http://www.australian-threepence.com/blog/2010/03/australian-1966-20c-mint-marks.html


The 1981 coins were struck at three different places:
 20 cents 1981 Canberra & Wales Mint (left picture) with 4 full thick claws of the platypus under the 2 of the 20
 20 cents 1981 Winnipeg Mint (right picture) with 3 full thin claws and 1 half claw there:

See also

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Year Mintage G VG F VF XF AU UNC Frequency
1966  28,223,000 0.18 0.27 0.49 1.08 0.98 21% Circulation - Canberra Mint; Gap between water swirl and platypus head
1966  30,000,000 5% Circulation - London Mint; Small or no gap between water swirl and platypus head
1966  0.02% Circulation - London Mint; Wavy 2 - Rare
1966  18,054 1.0% Proof Open Year Set
1966  77,250 0.10% UNC Year Set (Blue Card)
1966  15,809 0% UNC Year Set (Blue Vinyl Wallet)
1966  70 0% UNC Year Set (Operation Fastbuck Wallet)
1966  12,260 0% UNC Year Set (Reserve Bank Coloured Wallet)
1966  520 0% UNC Year Set (VIP Presentation Wallet
1967  83,848,000 0.14 0.32 0.32 0.49 1.08 4.17 29% Circulation
1968  40,537,000 0.22 0.41 1.08 17% Circulation
1969  16,520,000 0.14 0.49 9% Circulation
1969  13,056 0.2% Proof Year Set
1969  14,351 0.06% UNC Year Set
1970  23,721,000 0.14 0.54 1.08 12% Circulation
1970  15,368 0.3% Proof Year Set
1970  40,230 0.16% UNC Year Set
1971  8,947,000 0.48 0.54 5% Circulation
1971  10,066 0.14% Proof Year Set
1971  28,572 0.14% UNC Year Set
1972  16,643,000 0.11 0.49 0.73 8% Circulation
1972  10,272 0.19% Proof Year Set
1972  39,065 0.06% UNC Year Set
1973  23,356,000 0.14 0.38 1.25 10% Circulation
1973  10,090 0.3% Proof Year Set
1973  30,928 0.05% UNC Year Set
1974  33,548,000 0.46 0.46 13% Circulation
1974  10,918 0.3% Proof Year Set
1974  25,475 0.08% UNC Year Set
1975  53,300,000 0.14 0.48 0.68 17% Circulation
1975  23,021 0.4% Proof Year Set
1975  30,121 0.11% UNC Year Set
1976  59,774,000 0.38 0.49 1.08 18% Circulation
1976  21,200 0.3% Proof Year Set
1976  40,004 0.19% UNC Year Set
1977  41,272,000 0.44 1.06 14% Circulation
1977  55,006 0.5% Proof Year Set
1977  128,010 0.19% UNC Year Set
1978  37,432,000 0.34 0.34 1.08 1.08 13% Circulation
1978  1 0% Mule - Australia Obverse: Fijian Reverse -
1978  38,519 0.4% Proof Year Set
1978  70,006 0.16% UNC Year Set
1979  22,300,000 0.49 1.08 8% Circulation
1979  36,006 0.2% Proof Year Set
1979  70,006 0.19% UNC Year Set
1980  84,357,000 0.33 0.46 0.46 21% Circulation
1980  68,000 0.5% Proof Year Set
1980  100,000 0.3% UNC Year Set
1981  65,280,000 0.19 0.21 0.54 0.93 0.86 0.86 31% Circulation - Canberra Mint
1981  65,503,000 0.14% Circulation - Wales Mint
1981  50,000,000 0.17 0.37 3% Circulation - Winnipeg Mint; Short left claw
1981  86,100 0.6% Proof Year Set
1981  6 0.2% Struck on a Hong Kong 2 Dollar planchet; ultra rare
1981  120,000 0.3% UNC Year Set
1982  76,604,000 0.46 0.81 0.94 14% Circulation
1982  100,000 0.4% Proof Year Set
1982  195,950 0.3% UNC Year Set
1983  55,113,000 0.7% Circulation (Melted Down)
1983  80,000 0.3% Proof Year Set
1983  155,700 0.13% UNC Year Set
1984  27,820,000 1.0% Circulation (Melted Down)
1984  61,000 0.3% Proof Year Set
1984  150,014 0.6% UNC Year Set

Values in the table above are expressed in USD. They are based on evaluations by Numista users and sales realized on Internet platforms. They serve as a measure, but they are not intended to be relied upon for buying, selling or exchanging coins. Numista does not buy or sell coins.

Frequencies show the percentage of Numista users who own each year or variety among all the users who own this coin. Since some users own several versions, the sum may be greater than 100%.

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