Typical grade of a modern proof?

dan1ecu

In proof sets from the 80's, 90's and 00's, what do you think the grade distribution would be:

PR63 = ?%
PR64 = ?%
PR65 = ?%
PR66 = ?%
PR67 = ?%
PR68 = ?%
PR69 = ?%
PR70 = ?%

Do you think that it would look like a bell curve? (the above refers to PCGS grades)

I’m thinking that the population numbers might not be representative because people will submit only the best coins for slabbing.

Dan

itsnotjustme

Dan,
It hasn't been consistent across those years.... today's proof don't have near the level of cam some of the early 80s years had... they literally looked caked on. Also, you need to factor in CAM or DCAM on your grades. Many modern proofs do not get the DCAM grade (even though PCGS fails to show this in pop reports.)

Russ

<< <i>I’m thinking that the population numbers might not be representative because people will submit only the best coins for slabbing. >>



You are thinking correctly.

Russ, NCNE

gmarguli

In the last 6 months I believe PCGS has eased up on grading modern proofs.

Normally expect a coin from the 80's to grade PR66, 90's PR67 and now PR68. You have to take into account that many coin, like the cent, are in bad shape from the earlier modern sets.

cladking

Most of the grade components for these coins would lay out in a bell shape. Some
are dramatically truncated and some will be highly skewed though. Some dates and
denominations fall into very narrow ranges and some are much wider. Most modern
proofs will grade 65-69. Typically most of a date/denom will layout over about 2 1/2
grades. Often it will be the same problems keeping coins from a higher grade such
as marking on 69 nickels or spotting on 68 cents. All of some are cameo and very few
of others.

Yes. Very few inferior examples will be sent in intentionally or otherwise. The pops are
heavily skewed to the high end.