CoinGraderGuide
Coin Grader Guide
Coin Grading Guide
Rate each factor on the Sheldon 1–70 scale. The estimated grade is calculated as a weighted average.
Surface / Fields
Weight: 25%Check for bag marks, scratches, hairlines, contact marks on open fields
Devices / Relief
Weight: 20%Examine the sharpness and completeness of design elements (portrait, lettering)
Luster
Weight: 20%Assess mint luster quality — full, impaired, or absent. Cartwheel effect on business strikes
Strike
Weight: 15%Evaluate completeness of strike — sharp vs weak areas, especially on high points
Eye Appeal
Weight: 20%Overall visual impact — toning quality, spotting, discoloration, general attractiveness
Ketahui piawaian penggredan syiling profesional menggunakan skala Sheldon. Kuasai sistem penggredan 70 mata untuk menilai keadaan dan nilai syiling dengan tepat.
Key Features
Skala penggredan Sheldon
Takrif gred
Contoh foto
Perbandingan syarikat pensijilan
Cara Menggred Syiling
Skala Semakan
Ketahui skala Sheldon 70 mata daripada Spesimen Lemah hingga Sempurna
Periksa Permukaan
Cari kesan haus, kilauan dan sentuhan pada bahagian hadapan dan belakang
Semak Kualiti Strike
Nilai pengilat die asli dan ciri-ciri menarik
Berikan Gred
Padankan keadaan syiling dengan tahap gred yang sesuai
Use Cases
Syiling penggredan sendiri
Memahami gred profesional
Koleksi harga
Penilaian pra penyerahan
Frequently Asked Questions
Apakah skala Sheldon?
Skala Sheldon ialah sistem penggredan 70 mata (1-70) dengan Poor-1 hingga Perfect-70 mewakili keadaan syiling.
Adakah syiling yang diperakui gred lebih tinggi daripada syiling mentah?
Pensijilan profesional mengesahkan gred, tetapi syiling mentah gred yang sama mempunyai nilai yang sama.
Adakah MS-65 gred tinggi?
Ya, MS-65 ialah gred cemerlang yang menunjukkan syiling menarik dengan kehausan ringan. Gred di atas MS-68 jarang berlaku.
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