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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>1958 2d light red-brown “Dollis Hill Phosphor Trial“. Very fine perforated left marginal block of six on gummed Crowns watermarked (upright) paper, with a single green phosphor band at left. Although similar to the issued stamp (SG 613), the colour is much paler, the printing coarser and the phosphor reaction afterglow much stronger. The phosphor band is printed by photogravure and clearly visible in normal light on both the front and reverse. Spec. ST5(5)c.</p>

GB 1958 SG 573var 2d Dollis Hill Phosphor Trial block mint

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GB 1958 SG 573var 2d Dollis Hill Phosphor Trial block mint

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