1-of-1 Black Baseball Printing Plate

This is a unique 1-of-1 black printing plate used in the manufacturing process of a professional baseball trading card. The plate is constructed from a thin, rectangular sheet of metal, likely aluminum, featuring a monochrome etched image of three baseball players. The top player is visibly wearing a 'BOSTON' jersey. The plate displays the inverted, 'negatived' imagery required for the offset printing process, where this specific plate would have been responsible for transferring black ink. The text 'SILVER' is visibly etched vertically on the left side, indicating the specific card subset or series name. The plate is standard trading card size (approx. 2.5 by 3.5 inches) and is currently enclosed in a protective clear rigid plastic top-loader sleeve. Condition-wise, the plate shows characteristic surface scratches and minor pitting consistent with the industrial printing process. There is visible wear along the edges where the plate was likely clamped into a printing press. Such plates are highly sought-after '1-of-1' collectibles because only one set of plates (Cyan, Magenta, Yellow, Black) is created for each specific card design, ensuring its absolute scarcity. The craftsmanship is industrial, designed for high-volume replication but repurposed here as a unique sports artifact.

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