GRADE
GRADE ABBREVIATION
DESCRIPTION
Poor
PO-1
Identifiable date and type
Fair
FR-2
Mostly worn, though some detail is visible
About Good
AG-3
Worn rims but most lettering is readable though worn
Good
G-4
Slightly worn rims, flat detail, peripheral lettering nearly full
Good
G-6
Rims complete with flat detail, peripheral lettering full
Very Good
VG-8
Design worn with slight detail
Very Good
VG-10
Design worn with slight detail, slightly clearer
Fine
F-12
Some deeply recessed areas with detail, all lettering sharp
Fine
F-15
Slightly more detail in the recessed areas, all lettering sharp
Very Fine
VF-20
Some definition of detail, all lettering full and sharp
Very Fine
VF-25
Slightly more definition in the detail and lettering
Very Fine
VF-30
Almost complete detail with flat areas
Very Fine
VF-35
Detail is complete but worn with high points flat
Extra Fine
EF-40
Detail is complete with most high points slightly flat
Extra Fine
EF-45
Detail is complete with some high points flat
Almost Uncirculated
AU-50
Full detail with friction over most of the surface, slight flatness on high points
Almost Uncirculated
AU-53
Full detail with friction over 1/2 or more of surface, very slight flatness on high points
Almost Uncirculated
AU-55
Full detail with friction on less than 1/z surface, mainly on high points
Almost Uncirculated
AU-58
Full detail with only slight friction on the high points
Mint/Proof State
MS/PR-60
No wear. May have many heavy marks/hairlines, strike may not be full
Mint/Proof State
MS/PR-61
No wear. Multiple heavy marks/hairlines, strike may not be full
Mint/Proof State
MS/PR-62
No wear. Slightly less marks/hairlines, strike may not be full
Mint/Proof State
MS/PR-63
Moderate number/size marks/hairlines, strike may not be full 
Mint/Proof State
MS/PR-64
Few marks/hairlines or a couple of severe ones, strike should be average or above
Mint/Proof State
MS/PR-65
Minor marks/hairlines though none in focal areas, above average strike
Mint/Proof State
MS/PR-66
Few minor marks/hairlines not in focal areas, good strike
Mint/Proof State
MS/PR-67
Virtually as struck with minor imperfections, very well struck
Mint/Proof State
MS/PR-68
Virtually as struck with slight imperfections, slightest weakness of strike allowed
Mint/Proof State
MS/PR-69
Virtually as struck with minuscule imperfections, near full strike necessary
Mint/Proof State
MS/PR-70
As struck, with full strike