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August - 'The most attractive non-circular coin'

30/8/2023

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Our regular group of six coin collectors were presented with a real challenge with the August Coin of the Month being the most attractive non-circular coin.

Most coins are circular because of ease of production and their shape does not wear holes in clothes pockets. The most common non-circular coin we are familiar with is the Australian 50 cent piece which has 12 sides and called a dodecagon. We were presented by one of our members with a beautiful collection of silver and gold 50 cent coins (see photo below), most of which none of us have ever seem; what a treat!

We were also presented with a number of other non-circular coins including a 7-sided 50 cent piece (heptagon), a 12-sided three pence from the UK and a Hong Kong 12 point scalloped 20 cent piece.

Most of our modern circulating coins are round because a round shape is less likely to wear down unevenly since no one part of it sticks out further than the rest from any angle.

Also, in the days when coin value was assessed by metal type and weight, it was easy to cut off the corners but more difficult to do that with round coins. Milling of the coin edges also limited this practice especially when coins were made of precious metals like gold and silver. Then in the modern world there were vending machines which need coins to roll.

Coin of the Month for September will be “let’s talk about the Australian penny and its dots”.
Picture
Bottom, second from the left - 'The Winner!'
Doug Smith
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    Coin Collectors

    ​People over the years have bags, boxes or tins of old coins of pre decimal and decimal currency.   If this is an interest or hobby of yours and you would like to discuss the significance of coins and notes with different designs that commemorate the events and people that create a history of Australia, consider joining our Coin Collectors group. Meet others who have been putting coins aside and have not yet sorted or catalogued their collection.  Discuss, view, swap and/or buy coins to complete various sets.  We aim to get more enjoyment from our collections and look forward to seeing your coins and sharing stories.    

    Convenor/
    ​Contact Details

    Picture
    Doug Smith
    0417 527 171

    Meeting time

    4th Monday
    ​1.30 pm to 3.30 pm
    ​U3A Meeting Room 1

    Picture

    Thank you, Alex!

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We acknowledge the traditional owners of the land on which we meet and pay our respects to their elders - past, present and emerging.
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Photo from orgalpari