Verdict: Pre-purchase authentication via professional graders mandatory; self-judged acquisitions carry 50% counterfeit risk + 30-50% overpayment exposure.
Novice Collectors Face 3 Major Pitfalls in Kecho Koban Market
Apr 13, 2026CoinTalk
Risk & Authentication
Undergraded
Coin potentially graded below its true grade
2 articles
Certain coins with proof-like surfaces can be more desirable than standard circulation pieces. Variety classification pending; wait for authoritative attribution before acquisition to avoid future regrading risk.
1958 Jefferson Nickel Proof-Like Traits Found in Circulation
Apr 1, 2026CoinTalk