Doubling - Page 2 - Coin Community Forum

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Author	Replies: 25 / Views: 4,314	Page: of 2

robster Pillar of the Community Australia 674 Posts	Posted 07/09/2013 12:27 am Of course having said that.!! Report this Post to the Staff
Mr T Pillar of the Community Australia 2180 Posts	Posted 07/09/2013 05:53 am daveyn I think the amount of strikes per die varied a bit. The alloy changed a few times for starters I think, and I remember reading somewhere that sometimes dies would break after striking no more than 50 coins (though I assume die quality improved with time). Report this Post to the Staff
nealeffendi Pillar of the Community Australia 852 Posts	Posted 07/09/2013 06:19 am Daveyn and Robster Doubling (machine) very common for some years in the late 1940s-early 1950s. Die life varied with some dies lasting for a 0 count and others over 200,000. It also depended on the year as to die problems causing early die failure. Die clashing was common (in some years of the 1920s over half the dies ended up producing coins from clashed dies) and that must have cracked plenty of dies. Robster, was that hub doubled obverse from 1921? Report this Post to the Staff
The Unicorn Pillar of the Community Australia 750 Posts	Posted 07/09/2013 07:04 am That's a nice consecutive set Robster. Quadoubling? Report this Post to the Staff
daveyn Valued Member United States 160 Posts	Posted 07/09/2013 5:00 pm Thanks for the replys, one thing I have noticed with the Rennicks listing is some years have a large amount of errors compared to other years. Not knowing the workings of the Australian mints and die processes very well I wonder why a year like 1943 or 1948 would have so many more die damage type varieties then the others. Here is one I believe I actually found in my Rennicks book: Report this Post to the Staff
Pertinax Pillar of the Community United Kingdom 2133 Posts	Posted 07/09/2013 5:45 pm Do Australian coins with doubling cost more or less than the equivalent coin without doubling ? Report this Post to the Staff
robster Pillar of the Community Australia 674 Posts	Posted 07/09/2013 7:06 pm Neal, yes- correct as usual.!! Daveyn- looks like we have twins.! Pertinax- Error coins do command a slightly higher price depending on rarity and quality. I have been fortunate that all of mine are from my early noodling in the 1960's. Almost all of mine are well circulated but I don't mind.! Report this Post to the Staff
daveyn Valued Member United States 160 Posts	Posted 07/22/2013 10:55 am Hello Everyone, in an earlier post I stated that I went through 20 coins and found an unusual amount of errors and mint damage, robster suggested the group of coins may have come from an error collector. I now suspect he is correct, I've been to two pretty large shows looking through 100 coins and found only one with a small die crack through OF, I did however find quite a few with the Head of GEORGE VI pushed through and seen above the Roo's back, just wondering how common that is. Dave Report this Post to the Staff
Mr T Pillar of the Community Australia 2180 Posts	Posted 07/23/2013 06:22 am Seeing George VI's head through the obverse isn't that uncommon and it's reasonably prevalent early in the George VI series. Report this Post to the Staff
enworb Pillar of the Community Australia 4411 Posts	Posted 07/23/2013 09:18 am I agree with Mr T. Ghosting is very common on KGV pennies, especially on those dates from 1940-1944 I have noticed. Report this Post to the Staff
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