This is the response I got back from Bill, word for word. All such information would have come from the Mint itself. I do not recall whether we obtained the information in older Mint reports or if the staff obtained that information from the Mint by asking for it. Bill
Fair enough. At this point, then, I'll view that info as "probably accurate, but unverified". Not everything has to be documented like a dissertation or scientific paper. But if you're compiling information and publishing it, you really ought to be able to say where it came from. Or maybe I should just treat the Coin World Almanac the way scientists and engineers treat the CRC Handbook, as received gospel. (Although even the Handbook has an appendix specifying sources...)
Ahhhhh Jeff, that's one thing I love about you - you're as consistent as the sun coming up in the morning But lemme ask ya, have ya ever experimented with the interference pattern ? And then tried to explain it ? Or, do you simply trust Everett ? I'm pretty sure I already know your answer, at least to the last question, but curiosity got the best of me
Right back atcha. The Core of Scientific Inquiry, as demonstrated by a young scientist: "Who says?" "Who's he?" "How does he know?"
Dang. I can only remember what the last two letters stand for. Edit: whoops, it came back to me just as I was starting to type in a search.
I had to cheat and look it up. 222 listings of acronyms but the best fit is Chemical Rubber Company because they are listed as a scientific reference publisher...
I have to apologize to everyone, we got hit by a bad snow storm and then an ice storm after that. Spent time in hospital because granddaughter was in an accident with her mother. Here is some pictures and just wondering why the weight difference.
Thank you in advance this has been a project with my granddaughter and now we are getting back to it slowly . I am sorry for the wait.
Furham, Just got back and have to get everything out again. I will definitely find that again. It won't be tonight for sure have to get the little one ready for supper then bed. I will definitely find it and post tomorrow . Thank you so much for your patience.
As was previously explained - because the weight is within the tolerance levels. Specified weight is 5.67 gm. - with a tolerance of 0.227 gm. So any quarter, '65 or later, can weigh between 5.98 gm and 5.44 gm and be perfectly legal - within tolerance. And every coin you pictured does that.
The original version of this chart was compiled and printed in the late 1960's or early 1970's by Coin World's Collectors Clearinghouse Editor Ed Fleischmann. I later worked for Ed until he went to work for ANACS and I took over the department. During my time there I would have made any necessary updates, as would have Bill Gibbs after me. The chart was originally compiled for in-house use to determine whether certain coins actually qualified as errors, or whether they were simply coins "within tolerance." Remember that this era had a fair number of wrong stock errors coming out of the Mint, such as dimes punched from quarter stock or quarters struck from dime stock. These errors were quite collectible, and Ed wanted to quantify them. Ed was very meticulous. He worked from Mint Reports old and new (we had a great library) and other official documents, and from correspondence with the Mint's Laboratory. Back then the Mint had decent people who would actually respond to correspondence with helpful information, unlike the Mint's current public information office. You may assume that the chart is factual until proven otherwise. TD