NEW pics by mgoodm3 of a 1855 Large Flying Eagle Judd 168 Pattern
Broadstruck
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In the Old Thread this example was sent to RKKay to play with for his studies of LFE Patterns.
It was sent out for SEM-EDX testing of the metallurgy composition, and was Tru-View'd while at PCGS being reslabed after testing.
The test results are now on the slab insert which is neat and it cam back as the following... yes a touch of Silver!
92% Copper
6.1% Tin
0.8% Zinc
0.8% SILVER
Here's mgoodm3 images... Enjoy!
P.S. RKKay was a joy to work with and I never really felt the need to have to call in SWAT!
It was sent out for SEM-EDX testing of the metallurgy composition, and was Tru-View'd while at PCGS being reslabed after testing.
The test results are now on the slab insert which is neat and it cam back as the following... yes a touch of Silver!
92% Copper
6.1% Tin
0.8% Zinc
0.8% SILVER
Here's mgoodm3 images... Enjoy!
P.S. RKKay was a joy to work with and I never really felt the need to have to call in SWAT!
To Err Is Human.... To Collect Err's Is Just Too Much Darn Tootin Fun!
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Comments
<< <i>Those are fabulous pictures of an awesome coin.How many of those are known to exist? >>
Thanks it's a R4 Pattern which would be 76-200 known.
<< <i>Pretty coin, maybe I will keep it.
I wasn't expecting it back till Easter... if you want to rent it for a while PM me about the lease terms!
<< <i>In the Old Thread this example was sent to RKKay to play with for his studies of LFE Patterns.
It was sent out for SEM-EDX testing of the metallurgy composition, and was Tru-View'd while at PCGS being reslabed after testing.
The test results are now on the slab insert which is neat and it cam back as the following... yes a touch of Silver!
92% Copper
6.1% Tin
0.8% Zinc
0.8% SILVER
Here's mgoodm3 images... Enjoy!
P.S. RKKay was a joy to work with and I never really felt the need to have to call in SWAT!
That flyer is sick!!!!!
I'm overcome....and no PVC residue!!
Enough said!
Michael Kittle Rare Coins --- 1908-S Indian Head Cent Grading Set --- No. 1 1909 Mint Set --- Kittlecoins on Facebook --- Long Beach Table 448
<< <i>Hopefully RKKay will jump into this thread as after the SEM-EDX testing I've been pondering if it could actually be a J-167
Not a J-167, as it would have to be [almost] pure copper. However, your LFE raises two issues I've been pondering:
1) If J-168 is ideally 95% Cu, 4% Sn and 1% Zn, assuming the margin for error is within appropriate parameters, is 92% Cu and 6% Sn still J-168? What about 91% Cu and 7% Sn? 90% Cu and 8% Sn?
2) Does the mere presence of silver require a new Judd number? How much would have to be present before requiring a new Judd number? 0.4%? 1%? 2%?
These and many other questions are why I'm still testing. I've tested over 70 coins and still am very perplexed. There are also a lot of die-related issues to figure out. In any event, I suspect some new Judd numbers will be coming.
Edited to add: I'm sorry you never sent SWAT.
Specializing in 1854 and 1855 large FE patterns
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"Inspiration exists, but it has to find you working" Pablo Picasso
In honor of the memory of Cpl. Michael E. Thompson