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A H Baldwin & Sons Ltd has a history that dates back to 1872, and is one of the largest and longest established numismatic dealers and auction houses in the world. As a distinguished name in the numismatic trade, they have seamlessly transitioned into the world of bullion, bringing unparalleled expertise and commitment to quality to a broader audience.

Established in 1872, Baldwin's has been a cornerstone of the numismatic trade, earning a reputation for integrity, authenticity, and a passion for the rare and precious. For over a century and a half, we have been at the forefront of preserving and promoting the art and history encapsulated within rare coins and precious metals.

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<p>1959 3d Deep violet “Dollis Hill Phosphor Trial“. Very fine perforated horizontal strip of three on gummed crowns watermarked (sideways left) paper, with one 4mm blue phosphor left side band printed over the ink. Scarce. Spec. ST7(3)f, £1,125+.</p>

GB 1959 1959 3d Deep violet “Dollis Hill Phosphor Trial“ strip of 3, Spec. ST7(3)f

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GB 1959 1959 3d Deep violet “Dollis Hill Phosphor Trial“ strip of 3, Spec. ST7(3)f

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