I posted the stars and rays image especially because it has no breaks in the rays as per all of the SMS coins I have studied. It is difficult to...
Hijacked, not per the OP. Yes, it could be the rare 64 SMS Kennedy, I always thought of it as one of the "special strikes" of 1964. But thanks for...
Good one!!
Okay four images follow. The first is the 1964 PROOF, obverse. showing off my photographic talent (if any). The satin fields are self evident. The...
The 1995 "frosted" proof was simply added to easily compare the fields, mirror - satin. Sure, give me some time. I will compare it to an...
Yes, I just added 4 more silver coins, .999 and .900 coins of the US. Three of them were not .900!! The 2015 ASE was .999. The other supposedly...
Zero?, Talking about yourself, or serious collectors as a group? If as a group, let me see your statistics? That is quite a statement, I know many...
Two proof Kennedys shot side by side. One has frosted bust the 1964 no frosting. (i.e. no laser messing around). Looking carefully, you can note...
This link takes you to a page which demonstrates the simple math used to calculate the SG for alloys. There are various methods (as Kurt shared...
I hope you have the final edition, it is at this link: www.Biblical-data.org/GSDykes_specific_gravity_tests.pdf All of the older posts are...
I still have the silver coins I tested!! Gary in Washington (even the Egyptian one, and the .100 Mexican Peso).
Note the information posted on the other thread "A Compositional Analysis..." in which the temperature and water are mentioned. Indeed, these are...
I had to correct the first CuNi values, I copied them from some metallurgical website, and they are wrong. Thank you for pointing those out. The...
Not only can the mint be suspected, but the suppliers! Think of the profits they can make if their 87% (for example) silver slips by and is...
Here is the cheapest "used" desk top XRF I found so far... for those of you with deep pockets. Many more are available. This one struck me as it...
Various Methods for the Metallurgical Analyses of Coins (In Nuce) (1) SEM/EDS (Micro-Analysis): Surface analyses, chemical analysis and imaging...
And what if it is happening in your present government?
Kudos Kurt!:cigar: - Academia.edu is a site I use to post some of my research papers -- on other subjects. Usually great stuff! Gary in Washington
Additionally, is there not some soul on this site who can test the primary chemical compositions of US silver coins (pre 64 stuff, and the modern...
Recall that Kurt is not the only person who has tested these and found lower percentages! Hence, there exists a stronger possibility that the...
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