Coinguide.comAnswer
Apr 01, 2026 - 11:00 AM
These coins are professionally authenticated and graded by either PCGS (Professional Coin Grading Service) or NGC (Numismatic Guaranty Company). The plastic "slab" guarantees the grade and protects the coin.
Who is the grading service? $20 St. Gaudens Double Eagle Gold Coin-NGC/PCGS MS-63 (1907-1933)
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Open Apr 01, 2026 - 09:00 AM
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$20 St. Gaudens Double Eagle Gold Coin-NGC/PCGS MS-63 (1907-1933)
A masterpiece of American coinage, the MS-63 graded $20 St. Gaudens Double Eagle by NGC/PCGS is a collector's dream.
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