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Underweight 5 cent

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Ingine Valued Member Australia 122 Posts	Posted 10/28/2011 02:19 am I have also found a 1981 5 cent that weighs 2.77grams. Compared to the normal weight which is 2.83 grams. Although it is worn it still has almost all of it's detail. Does anyone know how this coin might have gotten under weight? Send note to staff
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Australian coin Pillar Of The Community 1244 Posts	Posted 10/28/2011 02:41 am Maybe a different planchet, like from another country Send note to staff
sel_69l Pillar Of The Community Australia 6470 Posts	Posted 10/28/2011 02:57 am I note that the date is 1981. I am not a specialist on Australian decimals, therefore I have a question: Did the R.A.M. contract out any of the 1981 5 cent production to a non Auasralian mint, e.g. the Royal Mint, or the Royal Canadian Mint? If the answer is 'yes', especially if it is the Royal Mint, it is highly probable that a blank from another country could have got mixed up in the order for the Australian coins. Send note to staff
ozcoins Pillar Of The Community Australia 912 Posts	Posted 10/28/2011 03:11 am RAM site says 5c was made at RAM, RCM, RMLL in 1981. How did you notice the difference in weight? Edited by ozcoins 10/28/2011 04:24 am Send note to staff
Australian coin Pillar Of The Community 1244 Posts	Posted 10/28/2011 03:13 am http://www.coincommunity.com/forum/...IC_ID=101063 Check out what mobofroos said, maybe there's something going on with the 1981 dated coins. Send note to staff
Ingine Valued Member Australia 122 Posts	Posted 10/28/2011 03:16 am The 1981 coin was minted in Wales or Canada but neither carry mint marks in order to tell the difference. They both are listed as weighing 2.83 grams. So yes sel_691 - it is entirely possible that the wrong planchet was used. Thanks for the clue Australiancoin. Send note to staff
Australian coin Pillar Of The Community 1244 Posts	Posted 10/28/2011 03:16 am Maybe someone can make up a whole set with the UK planchets :) Send note to staff
Australian coin Pillar Of The Community 1244 Posts	Posted 10/28/2011 03:18 am p.s does anyone know what the UK coins are supposed to weigh, just to make sure Send note to staff
Ingine Valued Member Australia 122 Posts	Posted 10/28/2011 03:22 am Australiancoin - you're on to something there I reckon! I will be a special eye out for these 1981 coins now! ozcoins - I could feel the difference as soon as I picked it up (I was sorting a $40 bag of 5's at the time). It felt thinner, and lighter. It also appears thinner. Send note to staff
Ingine Valued Member Australia 122 Posts	Posted 10/28/2011 03:30 am I don't know what the UK coins weigh, but I did just compare the sizes of all my UK coins to this 5c I have and none of them matched up. I will now compare with my Canadian coins NO go. Edited by Ingine 10/28/2011 03:39 am Send note to staff
Australian coin Pillar Of The Community 1244 Posts	Posted 10/28/2011 05:27 am The UK five pence is not a match, which was my first thought But you know what is UK sixpence and South Africa -- unfortunately the timeline doesn't match up. Found this when surfing the net, wrong planchet the same weight http://www.icollector.com/1905-5C-N...g-st_i654408 This foreign coin weight is the same, unsure if it was produced at the same time. http://en.numista.com/catalogue/pieces20531.html Send note to staff
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