Tyrone Jenkins
Is a Permanent Fixture
On the day when the wagon's come I just pray that you let me on
Posts: 12,610 
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Post by Tyrone Jenkins on Mar 1, 2015 10:55:50 GMT -8
How can you tell if it was done at the mint, or something that someone did later? The design of a coin on the striking dies is cut into the die in a mirror image in order to produce the raised design on the coin. If there is a scratch on the DIE is will appear as a raised line on the coin. You cannot add metal to a coin (at least not easily) so if you see what you think is an error and it is below the surface it is most likely man made PMD (post mint damage) It takes a LOT of force do dent or imprint a coin. If you try to replicate some errors the pressure point on the opposite side of the coin the details will be flattened. However if the coins was "struck through" something that got between the die and the blank planchet as the coin was being struck it will be below the surface like PMD but the reverse will not show any distortion to the design. I believe his one was struck through a screw or something.   On clipped coins you can tell if it was clipped at the mint or if someone did it later in a machine shop by the Blakesly effect. If the coin was clipped at the mint directly across from the clip the rim will show weakness in the strike because of the strike pressure loss. www.australian-threepence.com/blog/2012/06/how-to-determine-if-a-clipped-planchet-error-is-real.html |
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Post by Groundhog66 on Mar 1, 2015 11:22:08 GMT -8
How can you tell if it was done at the mint, or something that someone did later? The design of a coin on the striking dies is cut into the die in a mirror image in order to produce the raised design on the coin. If there is a scratch on the DIE is will appear as a raised line on the coin. You cannot add metal to a coin (at least not easily) so if you see what you think is an error and it is below the surface it is most likely man made PMD (post mint damage) It takes a LOT of force do dent or imprint a coin. If you try to replicate some errors the pressure point on the opposite side of the coin the details will be flattened. However if the coins was "struck through" something that got between the die and the blank planchet as the coin was being struck it will be below the surface like PMD but the reverse will not show any distortion to the design. I believe his one was struck through a screw or something. On clipped coins you can tell if it was clipped at the mint or if someone did it later in a machine shop by the Blakesly effect. If the coin was clipped at the mint directly across from the clip the rim will show weakness in the strike because of the strike pressure loss. www.australian-threepence.com/blog/2012/06/how-to-determine-if-a-clipped-planchet-error-is-real.htmlGreat info, thank you!  |
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Tyrone Jenkins
Is a Permanent Fixture
On the day when the wagon's come I just pray that you let me on
Posts: 12,610
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Post by Tyrone Jenkins on Mar 2, 2015 19:14:12 GMT -8
2 boxes. Box 1 skunked. Box 2 had a proof ender (and another I missed because it was on the bottom) When you have a silver ender there is usually more in the box. There were more here as well.   |
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Post by Deleted on Mar 2, 2015 19:17:23 GMT -8
2 boxes. Box 1 skunked. Box 2 had a proof ender (and another I missed because it was on the bottom) When you have a silver ender there is usually more in the box. There were more here as well. Nice haul |
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Tyrone Jenkins
Is a Permanent Fixture
On the day when the wagon's come I just pray that you let me on
Posts: 12,610
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Post by Tyrone Jenkins on Mar 6, 2015 16:38:12 GMT -8
I hadn't found a buffalo nickel in at least the last 6 boxes. Today I found 5 in 1 box including a dateless 1913D type 1 hole filler, a very nice 1936, and 2 dateless D mintmarks.    |
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Post by Deleted on Mar 6, 2015 18:13:44 GMT -8
Josh,
By 'no date' do you mean it has simply worn off or that it came from the mint undated?
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Tyrone Jenkins
Is a Permanent Fixture
On the day when the wagon's come I just pray that you let me on
Posts: 12,610
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Post by Tyrone Jenkins on Mar 6, 2015 18:41:20 GMT -8
Josh, By 'no date' do you mean it has simply worn off or that it came from the mint undated? Coins are graded on a scale of 1-70. 60-70 are reserved for coins that show no wear however 60 will show nicks and scratches from bouncing around against other coins in bags (the old days) or hoppers and rolling machines (current day) before they are sent to banks to be released for circulation. Certain coins had bad engineering designs and the date was one of the higher detail points and wore down quickly. On a normal coin it would have to wear down to Fair 2 for the date to only show the last 2 numbers or Poor 1 for the date to be completely gone. On Buffalo nickels and Standing Liberty Quarters the date wore off in a matter of 5-10 years. Most of the Standing Liberty Quarters were also poorly struck and even on a coin that should be a Very Good 8 you might be lucky to see the last digit of the date only. Luckily the series only ran form 1916-1930 and the 11916 is unique and the 1917 Type 1 was unique and the 1925-1930 used a modified design so if you have the last digit you can tell the year or if it is a 1916 or 1917 and the date is worn off you can tell by design markers. Not only do you have to factor in wear but you also have to factor in strike quality and early vs late die states. Certain designs are know for weak strikes. Look at a Lincoln Cent and the reverse above the monument the E Pluribus Unum is always weakly struck because it is directly opposite the highest point on the obverse. If you look at the top right nickel with no date I can tell it is 1913 because the reverse shows a mountain under the buffalo instead of a flat plain. There is a chance that the other 2 dateless were also from 1913 but if they were they would be the Type 2. You can also tell if your dateless Buffalo nickel is a 1920 or a 1921 or a 1924 as each of those years used an unique ripple in the ribbon in the hair.      |
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Post by Deleted on Mar 6, 2015 20:04:01 GMT -8
Interesting details. Thanks for the education Josh. I hope I don't get interested in coins again..I couldn't afford it  |
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Tyrone Jenkins
Is a Permanent Fixture
On the day when the wagon's come I just pray that you let me on
Posts: 12,610
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Post by Tyrone Jenkins on Mar 6, 2015 20:42:43 GMT -8
Interesting details. Thanks for the education Josh. I hope I don't get interested in coins again..I couldn't afford it I'll send you my Canadian want list that you should be able to find in your daily change aside form the now defunct cent. |
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Tyrone Jenkins
Is a Permanent Fixture
On the day when the wagon's come I just pray that you let me on
Posts: 12,610
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Post by Tyrone Jenkins on Mar 21, 2015 19:12:18 GMT -8
5 boxes of halves yesterday. A magicians coin, a couple of NIFC, otherwise skunked. The streak starts again  Did a box of nickels earlier in the week. Found a nice 1937D buffalo, a silver, a clipped, and 2 1939. Did a box of nickels and found 2 silvers (one PMD'd), 3 1939, and a 1938D    Our coin club held a Boy Scout Merit Badge clinic this morning at a show this morning. One of the requirements was to bring in one coin (all the same denomination) from the year they were born to date. Everyone brought in Lincoln cents except for 1 kid who did quarters. I even have problems finding some of the ATB quarters. While the scouts were in the room watching a video I was talking to one of the scouts mother and she said he wanted to do nickels but they couldn't find a 2009. I explained to her about the low mintage of the dimes and nickels due to the recession and how I usually only find 1 in every $400 - $500 worth of nickels. So anywho this afternoon after I got home I did a box of nickels I picked up Thursday and there were 3 2009's in it [**] Also in the box was a foreign job, a higher grade 1959, a highly lustrous 1982 (unfortunately it has a bad scratch on the reverse), and another 1938D and a 1939S.    |
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Tyrone Jenkins
Is a Permanent Fixture
On the day when the wagon's come I just pray that you let me on
Posts: 12,610
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Post by Tyrone Jenkins on Mar 26, 2015 17:05:39 GMT -8
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Tyrone Jenkins
Is a Permanent Fixture
On the day when the wagon's come I just pray that you let me on
Posts: 12,610
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Post by Tyrone Jenkins on Apr 3, 2015 16:47:58 GMT -8
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Post by Deleted on Apr 3, 2015 16:52:32 GMT -8
What's that; about $800 or $1000 in the box?
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Tyrone Jenkins
Is a Permanent Fixture
On the day when the wagon's come I just pray that you let me on
Posts: 12,610
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Post by Tyrone Jenkins on Apr 3, 2015 16:59:48 GMT -8
What's that; about $800 or $1000 in the box? $1000 |
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Post by Deleted on Apr 3, 2015 18:32:50 GMT -8
What's that; about $800 or $1000 in the box? $1000 Do you ever worry about getting mugged on your way to/from the bank? |
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Tyrone Jenkins
Is a Permanent Fixture
On the day when the wagon's come I just pray that you let me on
Posts: 12,610
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Post by Tyrone Jenkins on May 8, 2015 18:21:12 GMT -8
I got these in the mail today. The March Of Dimes proof commemorative set. Limited to 75,000 sets. It contains the March Of Dimes commemorative silver dollar and 2 very special Roosevelt dimes. Since Roosevelt established the March of Dimes the mint / government decided to make / authorize 2 special finish dimes for the anniversary. The silver proof dime is only the second dime minted at the West Point (same as the military academy) mint. The other silver dime is a reverse proof which is the first reverse proof dime and only the 6th reverse proof coin offered (2006 20th anniversary Silver Eagle, 2012 San Francisco Silver Eagle, 2013 West Point Silver Eagle, 2013 Gold Buffalo, 2014 50th anniversary Kennedy silver half dollar, and now the 2015 Philadelphia Roosevelt) 52,00 sets sold the first day. 62,000 had sold by the second day.   My 2014 Kennedy set  And one of my 2013 West Point Silver Eagle sets (reverse proof and enhanced uncirculated. The First enahanced uncirculated and the only other one issued to date is in the above Kennedy set)  |
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Post by 69ChevelleSS on May 9, 2015 11:34:59 GMT -8
Beautiful coins Josh!
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Tyrone Jenkins
Is a Permanent Fixture
On the day when the wagon's come I just pray that you let me on
Posts: 12,610
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Post by Tyrone Jenkins on May 13, 2015 17:15:14 GMT -8
I bought pizza for my friends at my main pick up bank today (and one for me at work)  I got these in the mail today.  |
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Post by 69ChevelleSS on May 14, 2015 5:14:22 GMT -8
I bought pizza for my friends at my main pick up bank today (and one for me at work) I got these in the mail today. Not sure which I like better . . . . . the coins or the PIZZA! |
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Post by sundog on May 14, 2015 7:43:07 GMT -8
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