Grading parameters of slabbed coins

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

No Grade Description
90 Not Genuine
91 Artificial Color
92 Cleaning
93 Planchet Flaw
94 Altered Surfaces
95 Scratch / Rim Dent
96 Refund - No Service
97 Environmental Damage
98 Damage
99 PVC

In addition to the 1-70 scale presented above, the suffixes described below are added to some grades in certain series to expand on the numerical grade.

Designation Description
Color: RD Red
Color: RB Red-Brown
Color: BN Brown
Strike: FS Full Steps
Strike: FB Full Bands
Strike: FH Full Head
Strike: FBL Full Bell Lines
Surface: DM Deep Mirror Prooflike
Surface: PL Prooflike
Surface: DC Deep Cameo
Strike: CA Cameo
Strike: BM Branch Mint Proof
Strike: BMCA Branch Mint Cameo