Graded-card decisions combine authentication, condition, market demand, service cost and personal collecting goals. A numerical grade is useful information, but it does not replace inspection of the card or the economics of the transaction.
1. Same card
Same card should be evaluated in the context of the exact card, collecting goal, grading company, market and total cost. Record what is known, separate official information from seller claims, and use conservative outcomes when money is involved.
2. Same grade
Same grade should be evaluated in the context of the exact card, collecting goal, grading company, market and total cost. Record what is known, separate official information from seller claims, and use conservative outcomes when money is involved.
3. Same company
Same company should be evaluated in the context of the exact card, collecting goal, grading company, market and total cost. Record what is known, separate official information from seller claims, and use conservative outcomes when money is involved.
4. Recent date
Recent date should be evaluated in the context of the exact card, collecting goal, grading company, market and total cost. Record what is known, separate official information from seller claims, and use conservative outcomes when money is involved.
5. Real completed transaction
Real completed transaction should be evaluated in the context of the exact card, collecting goal, grading company, market and total cost. Record what is known, separate official information from seller claims, and use conservative outcomes when money is involved.
6. Outlier control
Outlier control should be evaluated in the context of the exact card, collecting goal, grading company, market and total cost. Record what is known, separate official information from seller claims, and use conservative outcomes when money is involved.
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