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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>I.R. Official. &nbsp;1890 10s ultramarine block of six, large part or full o.g., with four stamps unmounted (CF and lower row). &nbsp;CG and DE are affected by diagonal creases, nonetheless a most important multiple with fine colour and ideal for exhibition. &nbsp;Ex DLR archives and Astley, with his Opinion (2005). &nbsp;SG O10, £60000</p>

SG O10 IR Official 10s ultramarine block of six mint

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SG O10 IR Official 10s ultramarine block of six mint

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