A true cornerstone of post-war collecting, this 1955 Topps #123 Sandy Koufax rookie card—graded PSA 9 MINT—is an elite specimen of one of the most coveted debut issues in the hobby. Featuring the young Brooklyn Dodgers southpaw in Topps’ classic horizontal design, this card showcases radiant color, razor-sharp corners, and near-flawless centering, making it a visual standout of the highest caliber. As of today, 25 copies have ever achieved a PSA 9 grade, with just three PSA 10s known—underscoring the rarity and prestige of this MINT example. With Koufax’s legendary career and mystique continuing to grow, high-grade rookies like this are blue-chip assets in the vintage market. A museum-quality card that belongs in the finest of collections.