90 vs 40

thurmownator

Bronze Member
Dec 25, 2006
1,892
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Primary Interest:
Other
Just did a quick assessment; as we are quickly approaching the midpoint of the year.

Just looking at half dollars, and the amount of 90%ers vs 40%ers I've found already this year, I noticed an interesting similarity.

For May, when rounded, 90%ers represented 22% of all silver halves found (46/207).

Looking at YTD, when rounded, 90%ers represent 22% of all silver halves found (266/1234).

Conversely, in each case 40%ers represent 78% of my silver half dollar finds.

Anyone else experiencing anything like this ?
 

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TxTim

Silver Member
Jan 14, 2007
2,735
27
Texas
Detector(s) used
DFX & SE
I'm around 10-11%.
You seem to be pulling a high % of the 90's.
 

65gt350

Hero Member
Mar 6, 2007
773
10
California
Detector(s) used
Tesoro Toltec 100
I am around 23% 90.

In general I have found that I need to search about 25 rolls to find a single 90% and 8 rolls to find a single 40%.

65GT350
 

Emperor Findus Cladius

Bronze Member
Sep 2, 2004
1,831
46
TX
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Whites Vision/V3 Spectra, AT Pro
Primary Interest:
All Treasure Hunting
Mine for this years is running 24.25% 90% and 75.75% 40%, basically 3 40% for every 1 90%.
 

LJ

Silver Member
Dec 23, 2006
3,469
17
Primary Interest:
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My 90% rate is right at 13% & obviously 87% for the 40%.

That is a very nice 90% rate Thurm, GT & Wayne. Gotta like that! Keep em coming......
 

GMan00001

Silver Member
Dec 19, 2006
2,536
224
Twin Cities, MN
Detector(s) used
Garrett Ace 250
Primary Interest:
All Treasure Hunting
Can't compare to past years since I only started searching halves consistently at the end of 2006, but for this year.

90% (JFK, Ben, Walkers) make up 28.15%
40% JFK make up 71.85%

See my end of month summary for April for my breakdown of how often I find them per roll.
 

mm12000

Full Member
May 18, 2007
112
0
Hmmm, I am running a paltry 5.5% 90's to 93% 40's, with about 1.5% between proofs and post 2001's.
 

cyberdan

Silver Member
Dec 12, 2006
4,596
2,220
Very Northern Left Coast
Detector(s) used
XLT & Bigfoot
Primary Interest:
All Treasure Hunting
I am basing this on my sig line which I know is a bit low as I have not updated the halves part in a few weeks.

I am at 30% (120 90% & 395 40%)
 

65gt350

Hero Member
Mar 6, 2007
773
10
California
Detector(s) used
Tesoro Toltec 100
khouse said:
What are the dates of the 40% silver coins? Thanks

1965-1970 (any P D or S)
Some 1976-S (they could be proof or unc) They will weigh 11.5 grams verus the clad that weighs 11.34grams

65GT350
 

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