Measuring The Offset In Doubled Die Cents?

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Author	Replies: 8 / Views: 940
truman1404 Valued Member United States 284 Posts	Posted 08/17/2017 2:36 pm Do "they" (anyone, anywhere) measure the amount of separation in doubled dies? So you could compare a 1972 DDO to say a 1980 DDO in terms of actual separation. I'm sure this would be tricky with such small measurements but it would be a great resource. It would be interesting (to me at least) to see how the 1995 DDO measures up to an early doubled die like a 1917. Has anyone ever seen this done before? I'm defiantly green when it comes to coin collecting, but I've never seen this information anywhere. Report this Post to the Staff

biokemist6 Bedrock of the Community United States 12437 Posts	Posted 08/17/2017 2:51 pm The comparison would only be valid between between two doubled dies belonging to the same class but there are nine different classes of hub doubling. Report this Post to the Staff
Crazyb0 Rest in Peace 10197 Posts	Posted 08/17/2017 3:40 pm Think OP is referring to just Class 1, Rotated Hub doubling as 1972p and 1983p's were it's shifted on central axis CCW/CW direction. Answering question, NO...now mine, Why? There are so many to catalogue in a numbering scheme as is, why make it harder, takes enough to just keep up? Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 74806 Posts	Posted 08/18/2017 07:28 am Good question. Not sure how to answer it. Errers and Varietys. Report this Post to the Staff
SsuperDdave Moderator United States 23522 Posts	Posted 08/18/2017 08:54 am I do measurements like that in the Gimp. That software (I'm sure other graphics software is able) has a Measure Tool which allows you to click and drag a line for which it will give you a length in pixels. With the knowledge of the total diameter of the coin, you can convert the pixel distance you've measured (it resolves to 0.1 pixel) into whatever unit you wish. If necessary - and with DD offsets it usually is - you can increase magnification as much as is required. Not that anything's gonna touch the offset of the 1955. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 08/18/2017 10:18 am Coppercoins uses a rating of stars by the different doubled dies: http://www.coppercoins.com/lincoln/...ie_state=eds Five Stars. http://www.coppercoins.com/lincoln/...ie_state=mds Five stars. http://www.coppercoins.com/lincoln/...ie_state=eds Three Stars. And lower ratings. The strength is a factor of the star ratings. But these are not to be confused with doubled die classes. Just an indicator of possible more demand for some coins. Edited by coop 08/18/2017 10:19 am Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 74806 Posts	Posted 08/18/2017 11:09 am Good point Coop. Errers and Varietys. Report this Post to the Staff
truman1404 Valued Member United States 284 Posts	Posted 08/18/2017 2:41 pm Thanks for all the answers! In my head I was mainly thinking class 1, 4, & 5. Coop- I don't fully understand the Star ratings on Coppercoin, especially with "demand" being somewhat subjective, relative, and immeasurable. SuperDDave- do you know, (in regards to the software you're aware of) if a new photo would have to be taken to or could you use existing pictures? CrazyB- In regards to too much information causing confusion, I think that ship has sailed. Thanks You so much for directly answering my question, before asking yours! That literally made me smile. and to answer your question, Why? Here's the specific situation that lead me to look for this information. I found this 1966 coin a while back, https://coppercoins.com/lincoln/die...ie_state=mds and I just got a box of uncirculated 1980 coins that I am searching through, I wanted to know how the separation on the 1980 DDO compared to that of the 1966 coin I have. They're both class 5 with similar values, I hear "extra thickness" used a lot and it would be beneficial for that thickness to have a number. Maybe it's just me but I think that information would be interesting to compare. Thanks again for all the comments Mitch Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 08/19/2017 1:42 pm Quote: I don't fully understand the Star ratings on Coppercoin, especially with "demand" being somewhat subjective, relative, and immeasurable. The star ratings are determined by the site. The demand is covered by the market. Some dies are in very high demand. 1958 DDO (the big one there are two known) The 1955 DDO is very popular and has a higher price for them. The 1969-S DDO there are few of these known. So these factors drive up the price. Sometimes the doubling maybe as strong on other dies, but the demand will raise the price. Some of the more obscure dies will also have have high prices, but they are not as well known. So when they become more know and more in demand, the price will go up. I hope this helps. But it not, post another question. (sometimes the brain will forget to complete the hole thought) Report this Post to the Staff
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