Ancient Coin Grading Standards:
90–100 Points:
Excellent casting; inscriptions and designs are sharp and well-defined, with no or minimal copper flow.
Even surface finishing, maintaining the original as-cast condition.
No circulation wear, no deformation, and natural patina without covering the inscriptions or designs.
80–88 Points:
Good casting; inscriptions and designs are relatively clear, with slight copper flow.
Minor wear; no significant deformation.
70–78 Points:
Acceptable casting; inscriptions and designs are recognizable, with visible copper flow.
Heavier wear; possible deformation.