50% get graded other than purchased and a study of random symmetry
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While my sample size is small, it always felt that “half” of all the previously graded coins I submitted came back from PCGS has graded something other than purchased. I ran the numbers today. The coins included 2 V Nickels and 25 buffalo nickles:
27 coins submitted, of which 15 graded other than purchased, or 56%
7 upgraded and 8 downgraded
2 62s became 58s (both prior NGC)
2 58s became 63s (both prior ANACS)
5 went up one point, six went down one point/of the six, three were cross at any grade.
Composition of upgrade: 3 ANACS, 2 NCG, 2 PCGS
Composition of downgrade: 3 ANACS, 5 NGC
What is striking is that even though the % of change appears high, at the end of the day, the net of changes brings me pretty much back to status quo, at least in a purely statistical sense.
27 coins submitted, of which 15 graded other than purchased, or 56%
7 upgraded and 8 downgraded
2 62s became 58s (both prior NGC)
2 58s became 63s (both prior ANACS)
5 went up one point, six went down one point/of the six, three were cross at any grade.
Composition of upgrade: 3 ANACS, 2 NCG, 2 PCGS
Composition of downgrade: 3 ANACS, 5 NGC
What is striking is that even though the % of change appears high, at the end of the day, the net of changes brings me pretty much back to status quo, at least in a purely statistical sense.
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Sorry...first thing that I thought of.
Some went down, some went up...depending on the dates, that could be a bad, good or neutral thing. I think I got that one covered.
Overall you are paying for an opinion.
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Where those old or new ANACS holders?
With old ANACS, sometimes those can go either way.
As always a 58/62 can be changed based on "cabinet friction"
Just finished plugging in PCGS Price Guide values for the 15 that changed, and at least on that metric I am about $1K up. That amount also excludes the bump from cherry picking an unattributed 19-P buffalo nickel in 63 and getting that attributed by PCGS.
Buffalo Nickel Digital Album
Toned Buffalo Date SetDigital Album
My guess is you have a pretty good one but you value a specific characteristic over what the market values it. Those characteriostics might be surfaces and "eye appeal".