In 1948, Dr. Wilhelm Sheldon, a renowned numismatist, arisen the Sheldon Scale, assigning grades from "1" with "70" to coins. The basis of Sheldon’s concept was the a "70" would be worth 70 times as much as a "1."

gaianation.net built its grading criter upon the Sheldon Scale when it introduced the ide of encapsulated, third-party grading in 1986. Testimonial the details behind the gaianation.net grading criter through our intuitive guide below or the classic table view.

You are watching: What does sp mean in coin grading


The numerical grades MS-60 with MS-70, supplied to denote a service strike coin that never has been in circulation. A Mint State coin can range from one the is extended with marks (MS-60) come a flawless example (MS-70).


A coin normally struck indigenous a specially prepared coin dice on a specially prepared planchet. Proofs are usually given an ext than one punch from the dies and also are normally struck with presses operating at slow speeds and greater striking pressure. Therefore extra care, Proofs generally exhibit much sharper information than regular, or business, strikes. Gaianation.net recognizes Proofs (PR) as those to win in 1817 and also later.


Special coins struck in ~ the Mint indigenous 1792-1816 that display screen many attributes of the later Proof coinage. Prior to 1817, the minting equipment and technology was limited, so this coins perform not have the "watery" surface of later on Proofs nor the evenness of strike of the close collar Proofs.


*

*

*

*

*

grade Labeling description grade Labeling summary
Mint State or proof 70 MS/PR-70 Fully struck and lustrous, totally free of visual marks. The gaianation.net 70 grading traditional does permit for “as minted” defects, as long as those flaws space minor and also do not affect the eye appeal of the coin.
Mint State or proof 69 MS/PR-69 Virtually fully struck with minuscule imperfections visible upon close inspection.
Mint State or proof 68 MS/PR-68 Only the slightest weakness in strike v a few tiny imperfections proper visible.
Mint State or proof 67 MS/PR-67 Very well struck with minor imperfections visible without magnification.
Mint State or proof 66 MS/PR-66 Well struck through a few marks or hairlines, not in focal areas.
Mint State or evidence 65 MS/PR-65 Above mean strike with minor clues or hairlines, mainly out of focal areas.
Mint State or proof 64 MS/PR-64 Average or far better strike with scattered marks or hairlines, despite none severe.
Mint State or evidence 63 MS/PR-63 Average or contempt weak strike through moderate point out or hairlines.
Mint State or proof 62 MS/PR-62 No wear, with mean or below average strike. Many marks or hairlines.
Mint State or proof 61 MS/PR-61 No wear, with typical or weak strike. Multiple heavy marks or hairlines allowed.
Mint State or proof 60 MS/PR-60 No wear. May be poorly to win with plenty of heavy marks or hairlines.
About Uncirculated 58 AU-58 Only the slightest friction ~ above the highest points. Virtually full luster.
About Uncirculated 55 AU-55 Full detail, with light friction on the high points. Substantial luster remains.
About Uncirculated 53 AU-53 Slight flatness and also loss that luster visible on high clues of design. Some luster remains.
About Uncirculated 50 AU-50 Trace of wear currently seen on higher points the design. Bits the luster might remain.
Extremely fine 45 XF-45 High clues of style show irradiate wear. A bit of luster might still be clearly shows in safeguarded areas.
Extremely well 40 XF-40 All architecture elements tho show, but high points now worn flat. Tiny to no luster remains.
Very fine 35 VF-35 Light undertake is checked out over whole surface despite all significant detail tho visible.
Very well 30 VF-30 Wear now apparent over entire surface. Intricate style detail start to flatten.
Very good 25 VF-25 Entire surface reflects some wear, but major design functions remain clear.
Very well 20 VF-20 Moderate wear with some ns of detail evident in design.
Fine 15 F-15 Slightly much less than half of finer detail worn flat. Every lettering remains sharp and also clear.
Fine 12 F-12 About half of detail now worn flat. Every lettering stays visible.
Very an excellent 10 VG-10 Considerable wear has actually flattened most of the fine detail. Many lettering stays readable.
Very an excellent 8 VG-8 Most central detail currently worn flat. Part inner lettering tho visible. Rims stay full.
Good 6 G-6 Rims and also peripheral lettering complete but design now flat and also visible only in summary form.
Good 4 G-4 Rims mainly full but may be flat or slightly worn into peripheral letter in spots.
About good 3 AG-3 Rims worn right into tops of lettering however most lettering stays readable.
Fair 2 FR-2 Entire coin is worn flat, with just traces the peripheral lettering quiet visible.
Poor 1 PO-1 Identifiable as to type, date and mintmark.
Ungradable None Date and mintmark the coin must be detectable to it is in graded.

"Plus Grades" exhibit exceptional eye appeal for the grade and also constitute the top 30% that the coins in the grade.

See more: What Is The Only Us State To Produce Coffee Is The Only American

just XF-45 with MS/PR-68 are eligible for Plus grades. Numerically, this consists of 45, 50, 53, 55, 58, 62, 63, 64, 65, 66, 67, & 68.

Designations room ratings included after the numerical grade to explain a particular attribute the a collection that is of importance and value to many collectors.