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  2. Coins of the Australian dollar - Wikipedia

    en.wikipedia.org/wiki/Coins_of_the_Australian_dollar

    Image Value Technical parameters Description Date of first minting Obverse Reverse Diameter Thickness Weight Composition Edge Obverse Reverse 1c: 17.65 mm >1.4 mm 2.60 g 97% copper 2.5% zinc 0.5% tin: Plain Queen Elizabeth II: Feathertail glider: 1966–1991 (no longer issued) 2c: 21.59 mm <1.9 mm 5.20 g Frill-necked lizard: 5c: 19.41 mm 1.3 mm ...

  3. If You Own Any Old Australian Coins, They Could Be Worth up ...

    www.aol.com/finance/own-australian-coins-could...

    1813 15-Pence “Dump Struck” with D/2 dies: These coins were made from the silver cut out of the middle of Spanish dollars and became known as “Dumps.” The D/2 dies account for about 20% of ...

  4. Australian dollar - Wikipedia

    en.wikipedia.org/wiki/Australian_dollar

    The Australian dollar (sign: $; code: AUD; also abbreviated A$ or sometimes AU$ to distinguish it from other dollar-denominated currencies; [2] [3] and also referred to as the dollar or Aussie dollar) is the official currency and legal tender of Australia, including all of its external territories, and three independent sovereign Pacific Island states: Kiribati, Nauru, and Tuvalu.

  5. Banknotes of the Australian dollar - Wikipedia

    en.wikipedia.org/wiki/Banknotes_of_the...

    The notes of the Australian dollar were first issued by the Reserve Bank of Australia on 14 February 1966, when Australia changed to decimal currency and replaced the pound with the dollar. [1] This currency was a lot easier for calculating compared to the previous Australian pound worth 20 shillings or 240 pence.

  6. Conversion of units - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_units

    Conversion of units is the conversion of the unit of measurement in which a quantity is expressed, typically through a multiplicative conversion factor that changes the unit without changing the quantity. This is also often loosely taken to include replacement of a quantity with a corresponding quantity that describes the same physical property.

  7. Coin problem - Wikipedia

    en.wikipedia.org/wiki/Coin_problem

    With only 2 pence and 5 pence coins, one cannot make 3 pence, but one can make any higher integer amount. Frobenius coin problem with 2-pence and 5-pence coins visualised as graphs: Sloping lines denote graphs of 2 x +5 y = n where n is the total in pence, and x and y are the non-negative number of 2p and 5p coins, respectively.

  8. Clip art - Wikipedia

    en.wikipedia.org/wiki/Clip_art

    Examples of computer clip art, from Openclipart. Clip art (also clipart, clip-art) is a type of graphic art. Pieces are pre-made images used to illustrate any medium. Today, clip art is used extensively and comes in many forms, both electronic and printed. However, most clip art today is created, distributed, and used in a digital form.

  9. Coins of the Australian pound - Wikipedia

    en.wikipedia.org/wiki/Coins_of_the_Australian_pound

    Image Value Technical parameters Description Date of Dated years of issue Obverse Reverse Diameter Mass Composition Obverse Reverse Edge First issue Withdrawal Half penny (½d) 25.5 mm 5.67 g Bronze (97% copper, 2.5% zinc, 0.5% tin) Portrait of King George V. Designed by Sir E. B. Mackennal.