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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>1911-12 ½d bluish green, die 1B, mint unmounted o.g. lower left corner marginal A11 control block of thirty-six, some very minor gum bends not detracting from wonderful colour. In our opinion the scarcest of the Downey bluish green shades and believed to be the largest known multiple of this scarce stamp. RPS Certificate (2023). SG 326, Spec N2(8)</p>

GB 1911-12 ½d bluish green, die 1B, mint unmounted o.g. lower left corner marginal A11 control block of thirty-six,

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GB KGV shades and Seahorses for next GB auction.

Margin Scheme

GB 1911-12 ½d bluish green, die 1B, mint unmounted o.g. lower left corner marginal A11 control block of thirty-six,

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