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Question about die polish lines?

JRoccoJRocco Posts: 14,277 ✭✭✭✭✭
in U.S. Coin Forum
I was looking at this 69D Lincoln with really heavy polish lines and noticed that they are going both OVER and UNDER the devices. How is this possible. What am I missing here? Can anyone explain this to me.
imageimage
Some coins are just plain "Interesting"

Comments

  • Purple73Purple73 Posts: 2,016 ✭
    Daaaaaaayyum! thats some severe die polish!

    Neat Images JRocco!
    Founder of The Circle of Crust™
    imageimage
  • TommyTypeTommyType Posts: 4,586 ✭✭✭✭✭
    It looks to me like this die has been worked quite a bit. The front of Abe's jacket has been polished level, or nearly level, with the field which is why the die polish lines appear to enter the design element. At other spots, where the design elements are still bold, the die lines end and restart after pasing through. (Lower tip of the jacket for instance).

    That's my 'splanation anyway.
    Easily distracted Type Collector
  • FairlanemanFairlaneman Posts: 10,423 ✭✭✭✭✭
    JRocco you need to think about this just a little. Are the fields recessed on the die ? image

    Ken
  • JRoccoJRocco Posts: 14,277 ✭✭✭✭✭
    The lines are raised on the coin Ken. Isn't this caused by abraded dies?
    Some coins are just plain "Interesting"
  • FairlanemanFairlaneman Posts: 10,423 ✭✭✭✭✭
    The die polishing causes little scratches on the die which are recessed. When a new coin is struck these will appear raised because the metal has been squeezed into these small depressions. As far as the lines going through the date, as you have shown, it is because the date is recessed also and much more so than the die polish marks. Thats my non techinical explanation. Maybe someone will chime in with a more techinical explanation.

    Ken
  • ychangeychange Posts: 95
    it'll click, picture the actual die being polished, the inverse/negative image of the coin.

    the polishing didn't get "into" the devices (much), and polished the "high" parts of the field.

    neat pic and coin though.
    peace
    imageimage
  • errormavenerrormaven Posts: 1,168 ✭✭✭


    << <i>I was looking at this 69D Lincoln with really heavy polish lines and noticed that they are going both OVER and UNDER the devices. How is this possible. What am I missing here? Can anyone explain this to me. >>



    Tall, narrow design elements on the coin are deeply recessed in the die face and are well-protected from abrasion. Wide open, shallow design elements are more vulnerable. As the field on the die face is lowered by abrasion, formerly deep design elements become ever shallower, and hence become targets for abrasion themselves.
    Mike Diamond is an error coin writer and researcher. Views expressed here do not necessarily reflect those held by any organization I am a member of.
  • FairlanemanFairlaneman Posts: 10,423 ✭✭✭✭✭
    errormaven...Turn on your PM function so people can talk to you.

    Ken
  • JRoccoJRocco Posts: 14,277 ✭✭✭✭✭
    OK, thanks-I think I got it. The abrading reached into the recessed design,but not into the lowest points of the design, therefor showing as a die polish line going both over (the shallower recessed design) and under(the deeper areas of the design). Thanks for taking the time to explain that to meimage
    Some coins are just plain "Interesting"
  • errormavenerrormaven Posts: 1,168 ✭✭✭


    << <i>errormaven...Turn on your PM function so people can talk to you.

    Ken >>



    Excuse my ignorance, but what's a "PM function"?
    Mike Diamond is an error coin writer and researcher. Views expressed here do not necessarily reflect those held by any organization I am a member of.
  • RickMilauskasRickMilauskas Posts: 1,985 ✭✭✭


    << <i>TextExcuse my ignorance, but what's a "PM function"? >>




    Luckily it's not like a BM function!

    They mean your Private Message function.

    Click on the customize button and turn it on.image That way people can send you private messages.
  • FairlanemanFairlaneman Posts: 10,423 ✭✭✭✭✭


    << <i>

    << <i>TextExcuse my ignorance, but what's a "PM function"? >>




    Luckily it's not like a BM function!

    They mean your Private Message function.

    Click on the customize button and turn it on.image That way people can send you private messages. >>



    Just to add it is in your profile which can be accessed when you are logged in. The little Padlock on your upper left will tell you if you have any messages. Also you can click the Padlock to find a person or send a message to a person.

    Ken
  • FairlanemanFairlaneman Posts: 10,423 ✭✭✭✭✭
    JRocco

    Sorry to "High Jack" the thread but errormaven is new and has some good information for people. This "Jack" was worth while I believe...image

    Ken
  • JRoccoJRocco Posts: 14,277 ✭✭✭✭✭
    Not ever a problem Ken- I have been know to Jack a few myself. I do agree that Mike has a lot to offer these boards, and he is always willing to take the time to help.
    Some coins are just plain "Interesting"
  • errormavenerrormaven Posts: 1,168 ✭✭✭


    << <i>

    Just to add it is in your profile which can be accessed when you are logged in. The little Padlock on your upper left will tell you if you have any messages. Also you can click the Padlock to find a person or send a message to a person.

    Ken >>



    I updated my profile to "allow private messages". I presume that will do the trick.
    Mike Diamond is an error coin writer and researcher. Views expressed here do not necessarily reflect those held by any organization I am a member of.

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