Anyone Know A Handy Dandy Way To Measure Rotation Degrees?

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Author	Replies: 6 / Views: 1,758
Kawliga Valued Member United States 212 Posts	Posted 12/25/2019 12:06 am I have a Lincoln Memorial cent (can't even remember the year right now) with an awesome rotated reverse, but would like to know the actual degrees, or at least within a 5-degree margin would be nice. I know I have seen procedures online in the past, but now that I actually need one I can't find any. Oh and on the topic: Is it just me or is it weird that some collectors consider rotation OVER 180 legitimate, as if a coin could only rotate in one direction? To me Occam's razor would dictate the lesser number, with the presumption that the coin rotated in that direction as opposed to the direction that would give it the >180 number. But if there's some reason they can only rotate in one direction, let me know. Maybe my penny is even cooler than I think it is! Report this Post to the Staff

Petespockets55 Pillar of the Community United States 5792 Posts	Posted 12/25/2019 01:52 am As I understand it the rotation can't be over 180 because the rotation could be clockwise or counterclockwise. Words of encouragement are one of the major food groups. We need to consume them regularly to thrive and grow. Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 12/25/2019 05:14 am http://goccf.com/t/306809 John1 Report this Post to the Staff
T-BOP Rest in Peace United States 18456 Posts	Posted 12/25/2019 10:58 am I here a yard stick works just fine . Report this Post to the Staff
levelsofmadnes Pillar of the Community United States 3003 Posts	Posted 12/25/2019 11:24 am Hello Kawliga, When you find the coin, please post a picture of the coin in front of a mirror. I posted this recently on a rotated coin I found. http://goccf.com/t/362253&SearchTerms=rotation Thanks Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 12/25/2019 6:51 pm With editing software you can rotate the coin and get the exact degrees. But on U.S. coins 180 rotation is normal. So if you use a mirror, then this would be normal. So if it is not looking like this: Then you know it is rotated. Most of the rotated ones are too low of a rotation. But I figure 45 degrees plus is where you should start saving them: Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 12/26/2019 12:03 am It is pretty easy to make yourself a tool for measuring rotations with just a cardboard 2X2 of the proper size, a straightedge, and fine point pen. Fold the 2X2 in half. On one side use the straightedge to draw lines joining the centers of the opposite sides This gives you 0, 90, 180, and 270 degree points. Then draw lines connecting opposite corners. This establishes the 45 degree points (45, 135, 225, and 315 degrees) Then mark points at the edge of the hole half way between where each of the previous line meet the hole This establishes roughly 22 degree point (22, 67, 112, 160 etc.) Repeat this same step again between each of the existing points. This give you marks about every 10 degrees. If you repeat again you will have marks ever 5 degrees. Now put the coin you want to measure in the 2X2 so the obverse is on the unmarked side and the coin is upright with the top toward the fold in the 2X2. Holding the 2X2 closed flip it top to bottom. If there is no rotation the reverse will be upright with the top of the coin at the 0 mark. If there is rotation you can see how the center line of the coin lines up with the marks and estimate the rotation to within 5 degrees fairly accurately. Cost to make up a set of tools, one for each denomination, a little bit of time and about 20 cents in holders. Report this Post to the Staff
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